| Awards | Country | Date | Awarded by | Awarded for or as |
|---|---|---|---|---|
| Masuda Award | Japan | Jan. 1968 | The Daily Industrial News | Development of the rotary engine |
| Foreign Car Award for 1968 | U.S.A. | Feb. 1968 | Motor Trend | Putting the world's first 2-rotor rotary engine into mass production |
| Chugoku Cultural Award | Japan | Nov. 1968 | The Chugoku Shimbun | Same as above |
| Commendation by Minister of State for Science &Technology | Japan | Apr. 1969 | Science and Technology Agency | Same as above |
| Japan Society for the Promotion of Machine Industries Awards | Japan | Oct. 1969 | Japan Society for the Promotion of Machine Industries | Development of the rotary engine |
| JSME MEDAL | Japan | Apr. 1970 | The Japan Society of Mechanical Engineers (JSME) | Same as above |
| RX-2 (Capella) '1972 Car of the Year' |
Japan | Jan. 1972 | Motor Fan | The best Japanese passenger car in 1972 |
| RX-2 (Capella) '1972 Car of the Year' |
U.S.A. | Jan. 1972 | Road Test | The best American passenger car in 1972 |
| The Mainichi Industrial Technology Award | Japan | Dec. 1972 | Mainichi Newspapers | Development of the carbon-based apex seal |
| Invention Prize | Japan | 1974 | Japan Institute of Invention and Innovation | Development of the forced air-cooled Thermal Reactor |
| Environmental Prize of Merit | Japan | Jun. 1976 | Environment Agency | Contribution to reduction of exhaust pollutants |
| RX-7 (Savanna RX-7) '1979 Car of the Year' |
Japan | Jan. 1979 | Motor Fan | The best passenger car in 1979 |
| RX-7 (Savanna RX-7) 'Car of the Decade' |
Japan | 1980 | Motor Fan | The best Japanese passenger car in the last 10 years |
| Nakagawa Award | Japan | May.1982 | Society of Automotive Engineers of Japan, Inc. | Research and development of the rorary engine with 6PI |
| Grand Prize of Local Commendation for Invention | Japan | Nov. 1984 | Japan Institute of Invention and Innovation | Development of the rotary engine with 6PI |
| Japan Society for the Promotion of Machine Industries Awards | Japan | Nov. 1984 | Japan Society for the Promotion of Machine Industries | Development of the rotary engine with Super Injection, a combination between 6PI and electronically-controlled gas injection (EGI) |
| JSAE Technological Contribution Prize | Japan | Oct. 1985 | Society of Automotive Engineers of Japan, Inc. | Putting the rotary engine into practical use |
| RX-7 1986 'Import Car of the Year' |
U.S.A. | Jan. 1986 | Motor Trend | The 1986 best import passenger car in the U.S. |
| Commendation by Minister of State for Science & Technology | Japan | Apr. 1989 | Science and Technology Agency | Development and improvement of a new intake system for the rotary engine |
| RX-7
(Anfini RX-7) 'RJC Car of the Year' |
Japan | Dec. 1991 | RJC (Automotive Researcher's & Journalists' Conference of Japan) |
Best Domestic Vehicle of 1991 |
| Kenichi Yamamoto, Chairman of the Board 'RJC Man of the Year' | Japan | Dec. 1991 | RJC (Automotive Researcher's & Journalists' Conference of Japan) |
Automotive Industry Figure of 1991 |
| RX-7 (Anfini RX-7) 'Import Car of the Year' |
U.S.A. | Jan. 1993 | Motor Trend | Best Import Car of 1993 in the U.S. |
| Fiscal 1996 Award for Young Engineers | Japan | Apr. 1996 | The Japan Society of Mechanical Engineers (JSME) | Numerical Study of the Flow Field Inside Rotary Engines |
| RENESIS 'International Engine of the Year' | May.2003 | Engine Technology International | The world's best engine in 2003 | |
| RX-8 'RJC Car of the Year' |
Japan | Nov. 2003 | RJC (Automotive Researcher's & Journalists' Conference of Japan) |
Best Domestic Vehicle of 2003 |
| RENESIS 'RJC Technology of the Year' | Japan | Nov. 2003 | RJC (Automotive Researcher's & Journalists' Conference of Japan) |
Best Automotive Technology of 2003 |
| RENESIS 'JSME (Japan Society of Mechanical Engineers)Medal (Technology)' | Japan | May.2004 | Japan Society of Mechanical Engineers | Development of automobile rotary engine with side-exhaust port system |