Showing 1–21 of 21 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kazunori Natsume | Koito Manufacturing Co. | 4 |
| 1 | Shinichi Irisawa | Koito Manufacturing Co. | 4 |
| 3 | Mutsunori Matsunaga | Hitachi Appliances | 2 |
| 3 | Yoshitaka Ohshima | Koito Manufacturing Co. | 2 |
| 3 | Tomoichirou Ohta | Canon | 2 |
| #6 | Akihiro Yokoyama | Harmonic Drive Systems | 1 |
| #6 | Yasumasa Ogawa | Sankyo Holdings Co. | 1 |
| #6 | Noboyuki Otaki | Cubic | 1 |
| #6 | Noriaki Horiuchi | Riken | 1 |
| #6 | Minoru Hiragaki | — | 1 |
| #6 | Kimio Sugiyama | Kagome Co. | 1 |
| #6 | Masayuki Urashin | Hitachi | 1 |
| #6 | Hiroki Ohsumimoto | Bridgestone | 1 |
| #6 | Takeshi Hida | Hitachi | 1 |
| #6 | Kazuo Konabe | Du Pont-Mitsui Fluorochemicals Co. | 1 |
| #6 | Yoshikazu Amo | Hitachi | 1 |
| #6 | Misao Sugiyama | Cubic | 1 |
| #6 | Yoshiki Hata | Hitachi | 1 |
| #6 | Futoshi Kawamura | Denso | 1 |
| #6 | Shigekazu Nozawa | Hitachi | 1 |
| #6 | Fumio Yoshinaga | Hitachi | 1 |