Millimeter Wave Radar Market - Global Outlook and Forecast 2021-2027

Table of Contents

1 Introduction to Research & Analysis Reports
1.1 Millimeter Wave Radar Market Definition
1.2 Market Segments
1.2.1 Market by Type
1.2.2 Market by Application
1.3 Global Millimeter Wave Radar Market Overview
1.4 Features & Benefits of This Report
1.5 Methodology & Sources of Information
1.5.1 Research Methodology
1.5.2 Research Process
1.5.3 Base Year
1.5.4 Report Assumptions & Caveats
2 Global Millimeter Wave Radar Overall Market Size
2.1 Global Millimeter Wave Radar Market Size: 2021 VS 2027
2.2 Global Millimeter Wave Radar Revenue, Prospects & Forecasts: 2016-2027
2.3 Global Millimeter Wave Radar Sales (Consumption): 2016-2027
3 Company Landscape
3.1 Top Millimeter Wave Radar Players in Global Market
3.2 Top Global Millimeter Wave Radar Companies Ranked by Revenue
3.3 Global Millimeter Wave Radar Revenue by Companies
3.4 Global Millimeter Wave Radar Sales by Companies
3.5 Global Millimeter Wave Radar Price by Manufacturer (2016-2021)
3.6 Top 3 and Top 5 Millimeter Wave Radar Companies in Global Market, by Revenue in 2020
3.7 Global Manufacturers Millimeter Wave Radar Product Type
3.8 Tier 1, Tier 2 and Tier 3 Millimeter Wave Radar Players in Global Market
3.8.1 List of Global Tier 1 Millimeter Wave Radar Companies
3.8.2 List of Global Tier 2 and Tier 3 Millimeter Wave Radar Companies
4 Sights by Product
4.1 Overview
4.1.1 By Type - Global Millimeter Wave Radar Market Size Markets, 2021 & 2027
4.1.2 24GHz Radar Sensor
4.1.3 77GHz Radar Sensor
4.1.4 79GHz Radar Sensor
4.1.5 Other
4.2 By Type - Global Millimeter Wave Radar Revenue & Forecasts
4.2.1 By Type - Global Millimeter Wave Radar Revenue, 2016-2021
4.2.2 By Type - Global Millimeter Wave Radar Revenue, 2022-2027
4.2.3 By Type - Global Millimeter Wave Radar Revenue Market Share, 2016-2027
4.3 By Type - Global Millimeter Wave Radar Sales & Forecasts
4.3.1 By Type - Global Millimeter Wave Radar Sales, 2016-2021
4.3.2 By Type - Global Millimeter Wave Radar Sales, 2022-2027
4.3.3 By Type - Global Millimeter Wave Radar Sales Market Share, 2016-2027
4.4 By Type - Global Millimeter Wave Radar Price (Manufacturers Selling Prices), 2016-2027
5 Sights by Application
5.1 Overview
5.1.1 By Application - Global Millimeter Wave Radar Market Size, 2021 & 2027
5.1.2 Automotive
5.1.3 Aerospace & Defense
5.1.4 Other
5.2 By Application - Global Millimeter Wave Radar Revenue & Forecasts
5.2.1 By Application - Global Millimeter Wave Radar Revenue, 2016-2021
5.2.2 By Application - Global Millimeter Wave Radar Revenue, 2022-2027
5.2.3 By Application - Global Millimeter Wave Radar Revenue Market Share, 2016-2027
5.3 By Application - Global Millimeter Wave Radar Sales & Forecasts
5.3.1 By Application - Global Millimeter Wave Radar Sales, 2016-2021
5.3.2 By Application - Global Millimeter Wave Radar Sales, 2022-2027
5.3.3 By Application - Global Millimeter Wave Radar Sales Market Share, 2016-2027
5.4 By Application - Global Millimeter Wave Radar Price (Manufacturers Selling Prices), 2016-2027
6 Sights by Region
6.1 By Region - Global Millimeter Wave Radar Market Size, 2021 & 2027
6.2 By Region - Global Millimeter Wave Radar Revenue & Forecasts
6.2.1 By Region - Global Millimeter Wave Radar Revenue, 2016-2021
6.2.2 By Region - Global Millimeter Wave Radar Revenue, 2022-2027
6.2.3 By Region - Global Millimeter Wave Radar Revenue Market Share, 2016-2027
6.3 By Region - Global Millimeter Wave Radar Sales & Forecasts
6.3.1 By Region - Global Millimeter Wave Radar Sales, 2016-2021
6.3.2 By Region - Global Millimeter Wave Radar Sales, 2022-2027
6.3.3 By Region - Global Millimeter Wave Radar Sales Market Share, 2016-2027
6.4 North America
6.4.1 By Country - North America Millimeter Wave Radar Revenue, 2016-2027
6.4.2 By Country - North America Millimeter Wave Radar Sales, 2016-2027
6.4.3 US Millimeter Wave Radar Market Size, 2016-2027
6.4.4 Canada Millimeter Wave Radar Market Size, 2016-2027
6.4.5 Mexico Millimeter Wave Radar Market Size, 2016-2027
6.5 Europe
6.5.1 By Country - Europe Millimeter Wave Radar Revenue, 2016-2027
6.5.2 By Country - Europe Millimeter Wave Radar Sales, 2016-2027
6.5.3 Germany Millimeter Wave Radar Market Size, 2016-2027
6.5.4 France Millimeter Wave Radar Market Size, 2016-2027
6.5.5 U.K. Millimeter Wave Radar Market Size, 2016-2027
6.5.6 Italy Millimeter Wave Radar Market Size, 2016-2027
6.5.7 Russia Millimeter Wave Radar Market Size, 2016-2027
6.5.8 Nordic Countries Millimeter Wave Radar Market Size, 2016-2027
6.5.9 Benelux Millimeter Wave Radar Market Size, 2016-2027
6.6 Asia
6.6.1 By Region - Asia Millimeter Wave Radar Revenue, 2016-2027
6.6.2 By Region - Asia Millimeter Wave Radar Sales, 2016-2027
6.6.3 China Millimeter Wave Radar Market Size, 2016-2027
6.6.4 Japan Millimeter Wave Radar Market Size, 2016-2027
6.6.5 South Korea Millimeter Wave Radar Market Size, 2016-2027
6.6.6 Southeast Asia Millimeter Wave Radar Market Size, 2016-2027
6.6.7 India Millimeter Wave Radar Market Size, 2016-2027
6.7 South America
6.7.1 By Country - South America Millimeter Wave Radar Revenue, 2016-2027
6.7.2 By Country - South America Millimeter Wave Radar Sales, 2016-2027
6.7.3 Brazil Millimeter Wave Radar Market Size, 2016-2027
6.7.4 Argentina Millimeter Wave Radar Market Size, 2016-2027
6.8 Middle East & Africa
6.8.1 By Country - Middle East & Africa Millimeter Wave Radar Revenue, 2016-2027
6.8.2 By Country - Middle East & Africa Millimeter Wave Radar Sales, 2016-2027
6.8.3 Turkey Millimeter Wave Radar Market Size, 2016-2027
6.8.4 Israel Millimeter Wave Radar Market Size, 2016-2027
6.8.5 Saudi Arabia Millimeter Wave Radar Market Size, 2016-2027
6.8.6 UAE Millimeter Wave Radar Market Size, 2016-2027
7 Manufacturers & Brands Profiles
7.1 Continental
7.1.1 Continental Corporate Summary
7.1.2 Continental Business Overview
7.1.3 Continental Millimeter Wave Radar Major Product Offerings
7.1.4 Continental Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.1.5 Continental Key News
7.2 Bosch
7.2.1 Bosch Corporate Summary
7.2.2 Bosch Business Overview
7.2.3 Bosch Millimeter Wave Radar Major Product Offerings
7.2.4 Bosch Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.2.5 Bosch Key News
7.3 Denso
7.3.1 Denso Corporate Summary
7.3.2 Denso Business Overview
7.3.3 Denso Millimeter Wave Radar Major Product Offerings
7.3.4 Denso Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.3.5 Denso Key News
7.4 Autoliv
7.4.1 Autoliv Corporate Summary
7.4.2 Autoliv Business Overview
7.4.3 Autoliv Millimeter Wave Radar Major Product Offerings
7.4.4 Autoliv Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.4.5 Autoliv Key News
7.5 Delphi
7.5.1 Delphi Corporate Summary
7.5.2 Delphi Business Overview
7.5.3 Delphi Millimeter Wave Radar Major Product Offerings
7.5.4 Delphi Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.5.5 Delphi Key News
7.6 TRW
7.6.1 TRW Corporate Summary
7.6.2 TRW Business Overview
7.6.3 TRW Millimeter Wave Radar Major Product Offerings
7.6.4 TRW Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.6.5 TRW Key News
7.7 FujitsuTen
7.7.1 FujitsuTen Corporate Summary
7.7.2 FujitsuTen Business Overview
7.7.3 FujitsuTen Millimeter Wave Radar Major Product Offerings
7.4.4 FujitsuTen Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.7.5 FujitsuTen Key News
7.8 Valeo
7.8.1 Valeo Corporate Summary
7.8.2 Valeo Business Overview
7.8.3 Valeo Millimeter Wave Radar Major Product Offerings
7.8.4 Valeo Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.8.5 Valeo Key News
7.9 Rfbeam
7.9.1 Rfbeam Corporate Summary
7.9.2 Rfbeam Business Overview
7.9.3 Rfbeam Millimeter Wave Radar Major Product Offerings
7.9.4 Rfbeam Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.9.5 Rfbeam Key News
7.10 Velodyne Lidar
7.10.1 Velodyne Lidar Corporate Summary
7.10.2 Velodyne Lidar Business Overview
7.10.3 Velodyne Lidar Millimeter Wave Radar Major Product Offerings
7.10.4 Velodyne Lidar Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.10.5 Velodyne Lidar Key News
7.11 Hitachi
7.11.1 Hitachi Corporate Summary
7.11.2 Hitachi Millimeter Wave Radar Business Overview
7.11.3 Hitachi Millimeter Wave Radar Major Product Offerings
7.11.4 Hitachi Millimeter Wave Radar Sales and Revenue in Global (2016-2021)
7.11.5 Hitachi Key News
8 Global Millimeter Wave Radar Production Capacity, Analysis
8.1 Global Millimeter Wave Radar Production Capacity, 2016-2027
8.2 Millimeter Wave Radar Production Capacity of Key Manufacturers in Global Market
8.3 Global Millimeter Wave Radar Production by Region
9 Key Market Trends, Opportunity, Drivers and Restraints
9.1 Market Opportunities & Trends
9.2 Market Drivers
9.3 Market Restraints
10 Millimeter Wave Radar Supply Chain Analysis
10.1 Millimeter Wave Radar Industry Value Chain
10.2 Millimeter Wave Radar Upstream Market
10.3 Millimeter Wave Radar Downstream and Clients
10.4 Marketing Channels Analysis
10.4.1 Marketing Channels
10.4.2 Millimeter Wave Radar Distributors and Sales Agents in Global
11 Conclusion
12 Appendix
12.1 Note
12.2 Examples of Clients
12.3 Disclaimer


List of Tables
Table 1. Key Players of Millimeter Wave Radar in Global Market
Table 2. Top Millimeter Wave Radar Players in Global Market, Ranking by Revenue (2019)
Table 3. Global Millimeter Wave Radar Revenue by Companies, (US$, Mn), 2016-2021
Table 4. Global Millimeter Wave Radar Revenue Share by Companies, 2016-2021
Table 5. Global Millimeter Wave Radar Sales by Companies, (K Units), 2016-2021
Table 6. Global Millimeter Wave Radar Sales Share by Companies, 2016-2021
Table 7. Key Manufacturers Millimeter Wave Radar Price (2016-2021) & (USD/Unit)
Table 8. Global Manufacturers Millimeter Wave Radar Product Type
Table 9. List of Global Tier 1 Millimeter Wave Radar Companies, Revenue (US$, Mn) in 2020 and Market Share
Table 10. List of Global Tier 2 and Tier 3 Millimeter Wave Radar Companies, Revenue (US$, Mn) in 2020 and Market Share
Table 11. By Type - Global Millimeter Wave Radar Revenue, (US$, Mn), 2021 VS 2027
Table 12. By Type - Global Millimeter Wave Radar Revenue (US$, Mn), 2016-2021
Table 13. By Type - Global Millimeter Wave Radar Revenue (US$, Mn), 2022-2027
Table 14. By Type - Global Millimeter Wave Radar Sales (K Units), 2016-2021
Table 15. By Type - Global Millimeter Wave Radar Sales (K Units), 2022-2027
Table 16. By Application - Global Millimeter Wave Radar Revenue, (US$, Mn), 2021 VS 2027
Table 17. By Application - Global Millimeter Wave Radar Revenue (US$, Mn), 2016-2021
Table 18. By Application - Global Millimeter Wave Radar Revenue (US$, Mn), 2022-2027
Table 19. By Application - Global Millimeter Wave Radar Sales (K Units), 2016-2021
Table 20. By Application - Global Millimeter Wave Radar Sales (K Units), 2022-2027
Table 21. By Region - Global Millimeter Wave Radar Revenue, (US$, Mn), 2021 VS 2027
Table 22. By Region - Global Millimeter Wave Radar Revenue (US$, Mn), 2016-2021
Table 23. By Region - Global Millimeter Wave Radar Revenue (US$, Mn), 2022-2027
Table 24. By Region - Global Millimeter Wave Radar Sales (K Units), 2016-2021
Table 25. By Region - Global Millimeter Wave Radar Sales (K Units), 2022-2027
Table 26. By Country - North America Millimeter Wave Radar Revenue, (US$, Mn), 2016-2021
Table 27. By Country - North America Millimeter Wave Radar Revenue, (US$, Mn), 2022-2027
Table 28. By Country - North America Millimeter Wave Radar Sales, (K Units), 2016-2021
Table 29. By Country - North America Millimeter Wave Radar Sales, (K Units), 2022-2027
Table 30. By Country - Europe Millimeter Wave Radar Revenue, (US$, Mn), 2016-2021
Table 31. By Country - Europe Millimeter Wave Radar Revenue, (US$, Mn), 2022-2027
Table 32. By Country - Europe Millimeter Wave Radar Sales, (K Units), 2016-2021
Table 33. By Country - Europe Millimeter Wave Radar Sales, (K Units), 2022-2027
Table 34. By Region - Asia Millimeter Wave Radar Revenue, (US$, Mn), 2016-2021
Table 35. By Region - Asia Millimeter Wave Radar Revenue, (US$, Mn), 2022-2027
Table 36. By Region - Asia Millimeter Wave Radar Sales, (K Units), 2016-2021
Table 37. By Region - Asia Millimeter Wave Radar Sales, (K Units), 2022-2027
Table 38. By Country - South America Millimeter Wave Radar Revenue, (US$, Mn), 2016-2021
Table 39. By Country - South America Millimeter Wave Radar Revenue, (US$, Mn), 2022-2027
Table 40. By Country - South America Millimeter Wave Radar Sales, (K Units), 2016-2021
Table 41. By Country - South America Millimeter Wave Radar Sales, (K Units), 2022-2027
Table 42. By Country - Middle East & Africa Millimeter Wave Radar Revenue, (US$, Mn), 2016-2021
Table 43. By Country - Middle East & Africa Millimeter Wave Radar Revenue, (US$, Mn), 2022-2027
Table 44. By Country - Middle East & Africa Millimeter Wave Radar Sales, (K Units), 2016-2021
Table 45. By Country - Middle East & Africa Millimeter Wave Radar Sales, (K Units), 2022-2027
Table 46. Continental Corporate Summary
Table 47. Continental Millimeter Wave Radar Product Offerings
Table 48. Continental Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 49. Bosch Corporate Summary
Table 50. Bosch Millimeter Wave Radar Product Offerings
Table 51. Bosch Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 52. Denso Corporate Summary
Table 53. Denso Millimeter Wave Radar Product Offerings
Table 54. Denso Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 55. Autoliv Corporate Summary
Table 56. Autoliv Millimeter Wave Radar Product Offerings
Table 57. Autoliv Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 58. Delphi Corporate Summary
Table 59. Delphi Millimeter Wave Radar Product Offerings
Table 60. Delphi Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 61. TRW Corporate Summary
Table 62. TRW Millimeter Wave Radar Product Offerings
Table 63. TRW Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 64. FujitsuTen Corporate Summary
Table 65. FujitsuTen Millimeter Wave Radar Product Offerings
Table 66. FujitsuTen Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 67. Valeo Corporate Summary
Table 68. Valeo Millimeter Wave Radar Product Offerings
Table 69. Valeo Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 70. Rfbeam Corporate Summary
Table 71. Rfbeam Millimeter Wave Radar Product Offerings
Table 72. Rfbeam Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 73. Velodyne Lidar Corporate Summary
Table 74. Velodyne Lidar Millimeter Wave Radar Product Offerings
Table 75. Velodyne Lidar Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 76. Hitachi Corporate Summary
Table 77. Hitachi Millimeter Wave Radar Product Offerings
Table 78. Hitachi Millimeter Wave Radar Sales (K Units), Revenue (US$, Mn) and Average Price (USD/Unit) (2016-2021)
Table 79. Millimeter Wave Radar Production Capacity (K Units) of Key Manufacturers in Global Market, 2019-2021 (K Units)
Table 80. Global Millimeter Wave Radar Capacity Market Share of Key Manufacturers, 2019-2021
Table 81. Global Millimeter Wave Radar Production by Region, 2016-2021 (K Units)
Table 82. Global Millimeter Wave Radar Production by Region, 2022-2027 (K Units)
Table 83. Millimeter Wave Radar Market Opportunities & Trends in Global Market
Table 84. Millimeter Wave Radar Market Drivers in Global Market
Table 85. Millimeter Wave Radar Market Restraints in Global Market
Table 86. Millimeter Wave Radar Raw Materials
Table 87. Millimeter Wave Radar Raw Materials Suppliers in Global Market
Table 88. Typical Millimeter Wave Radar Downstream
Table 89. Millimeter Wave Radar Downstream Clients in Global Market
Table 90. Millimeter Wave Radar Distributors and Sales Agents in Global Market
List of Figures
Figure 1. Millimeter Wave Radar Segment by Type
Figure 2. Millimeter Wave Radar Segment by Application
Figure 3. Global Millimeter Wave Radar Market Overview: 2020
Figure 4. Key Caveats
Figure 5. Global Millimeter Wave Radar Market Size: 2021 VS 2027 (US$, Mn)
Figure 6. Global Millimeter Wave Radar Revenue, 2016-2027 (US$, Mn)
Figure 7. Millimeter Wave Radar Sales in Global Market: 2016-2027 (K Units)
Figure 8. The Top 3 and 5 Players Market Share by Millimeter Wave Radar Revenue in 2020
Figure 9. By Type - Global Millimeter Wave Radar Sales Market Share, 2016-2027
Figure 10. By Type - Global Millimeter Wave Radar Revenue Market Share, 2016-2027
Figure 11. By Type - Global Millimeter Wave Radar Price (USD/Unit), 2016-2027
Figure 12. By Application - Global Millimeter Wave Radar Sales Market Share, 2016-2027
Figure 13. By Application - Global Millimeter Wave Radar Revenue Market Share, 2016-2027
Figure 14. By Application - Global Millimeter Wave Radar Price (USD/Unit), 2016-2027
Figure 15. By Region - Global Millimeter Wave Radar Sales Market Share, 2016-2027
Figure 16. By Region - Global Millimeter Wave Radar Revenue Market Share, 2016-2027
Figure 17. By Country - North America Millimeter Wave Radar Revenue Market Share, 2016-2027
Figure 18. By Country - North America Millimeter Wave Radar Sales Market Share, 2016-2027
Figure 19. US Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 20. Canada Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 21. Mexico Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 22. By Country - Europe Millimeter Wave Radar Revenue Market Share, 2016-2027
Figure 23. By Country - Europe Millimeter Wave Radar Sales Market Share, 2016-2027
Figure 24. Germany Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 25. France Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 26. U.K. Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 27. Italy Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 28. Russia Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 29. Nordic Countries Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 30. Benelux Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 31. By Region - Asia Millimeter Wave Radar Revenue Market Share, 2016-2027
Figure 32. By Region - Asia Millimeter Wave Radar Sales Market Share, 2016-2027
Figure 33. China Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 34. Japan Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 35. South Korea Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 36. Southeast Asia Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 37. India Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 38. By Country - South America Millimeter Wave Radar Revenue Market Share, 2016-2027
Figure 39. By Country - South America Millimeter Wave Radar Sales Market Share, 2016-2027
Figure 40. Brazil Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 41. Argentina Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 42. By Country - Middle East & Africa Millimeter Wave Radar Revenue Market Share, 2016-2027
Figure 43. By Country - Middle East & Africa Millimeter Wave Radar Sales Market Share, 2016-2027
Figure 44. Turkey Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 45. Israel Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 46. Saudi Arabia Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 47. UAE Millimeter Wave Radar Revenue, (US$, Mn), 2016-2027
Figure 48. Global Millimeter Wave Radar Production Capacity (K Units), 2016-2027
Figure 49. The Percentage of Production Millimeter Wave Radar by Region, 2020 VS 2027
Figure 50. Millimeter Wave Radar Industry Value Chain
Figure 51. Marketing Channels

Continental
Bosch
Denso
Autoliv
Delphi
TRW
FujitsuTen
Valeo
Rfbeam
Velodyne Lidar
Hitachi