Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Katsumi Ito | Kubota | 2 |
| 1 | Jun Tsukamoto | Toray Industries | 2 |
| 1 | Mitsunari Kano | Hitachi | 2 |
| #4 | Kenichiro Takezawa | Hitachi | 1 |
| #4 | Shinji Shimokawa | Toyota | 1 |
| #4 | Haruo Yamanaka | Hitachi | 1 |
| #4 | Takeshi Oishi | Hoyu Co. | 1 |
| #4 | Tomoyashi Motohiro | Toyota Central R&D Labs | 1 |
| #4 | Tetsuo Okuhara | Hitachi | 1 |
| #4 | Toyonobu Mizutani | Unknown | 1 |
| #4 | Kunio Usijima | Hitachi | 1 |
| #4 | Tetsumi Ejiri | — | 1 |
| #4 | Takahiko Miyata | Hitachi | 1 |
| #4 | Masatoshi Oomura | Hitachi | 1 |
| #4 | Hidenobu Shirai | Fujitsu Limited | 1 |
| #4 | Kunio Morimoto | Hitachi | 1 |
| #4 | Koichiro Shibata | Yamaha | 1 |
| #4 | Masahiko Maruyama | Sharp Kabushiki Kaisha | 1 |
| #4 | Hideyo Tanaka | Toppan Printing Co. | 1 |