Showing 1–24 of 24 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hitoshi Sugimoto | Canon | 11 |
| 2 | Toshiro Yoda | Hitachi | 4 |
| 3 | Yoshihisa Eto | Valeo Thermal Systems Japan | 2 |
| 3 | Koji Fukushima | — | 2 |
| 3 | Sayuri Nomura | Hitachi | 2 |
| 3 | Shinya Nozaki | Diesel Kiki Co. | 2 |
| 3 | Tomoko Takeshita | Hitachi | 2 |
| #8 | Toshihiko Takada | Nippon Paper Industries Co. | 1 |
| #8 | Yoshio Asami | Jidosha Kiki Co. | 1 |
| #8 | Takehide Matsumoto | Sharp Kabushiki Kaisha | 1 |
| #8 | Shinichi Inagaki | Denso | 1 |
| #8 | Yasuo Toyoshima | Kao | 1 |
| #8 | Shigemi Kobayashi | Ud Trucks | 1 |
| #8 | Takeo Kushida | Diesel Kiki Co. | 1 |
| #8 | Yuji Wachi | Bosch Braking Systems Co. | 1 |
| #8 | Norio Yabe | Nippon Paper Industries Co. | 1 |
| #8 | Hideya Kikuchi | Zexel Gmbh | 1 |
| #8 | Shusaku Chiba | Bosch Braking Systems Co. | 1 |
| #8 | Hirofumi Koyama | Kyowa Co. | 1 |
| #8 | Nobuo Nakajima | Canon | 1 |
| #8 | Kunihiro Chiba | Bosch | 1 |
| #8 | Hideki Ishizuka | Airbag Systems Company | 1 |
| #8 | Junichi Hirayama | Bosch Braking Systems Co. | 1 |
| #8 | Hiroyuki Minaguchi | Kabushiki Kaisha Toshiba | 1 |