Showing 1–23 of 23 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kaishu Momonoi | Toyama Chemical Co. | 14 |
| 2 | Yoshitaka Matsuda | Tokyo Electron Limited | 8 |
| 3 | Katsutoshi Shibata | Rin Kagaku Kogyo Co. | 4 |
| #4 | Itsuo Iwai | Honda Motor Co. | 3 |
| #5 | Nobuhisa Taya | Toyama Chemical Co. | 2 |
| #5 | Koji Echigo | Hitachi | 2 |
| #5 | Yuji Machida | Hitachi Astemo | 2 |
| #8 | Masaaki Otakane | Nippon Koshuha Steel Co. | 1 |
| #8 | Yoshiki Kishikawa | Sumitomo Electric Industries | 1 |
| #8 | Satoaki Kawaguchi | Jfe Steel | 1 |
| #8 | Hiroiti Sugimori | Jfe Steel | 1 |
| #8 | Tetsukazu Yashima | Kobe Steel | 1 |
| #8 | Keiichi Hayashida | Nippon Koshuha Steel Co. | 1 |
| #8 | Yoshinari Kontani | Kobe Steel | 1 |
| #8 | Mineichi Sudani | Toyama Chemical Co. | 1 |
| #8 | Kensei Itakura | Nippon Kokan Co. | 1 |
| #8 | Takashi Takeuti | Rin Kagaku Kogyo Co. | 1 |
| #8 | Norio Futakuchi | Giken | 1 |
| #8 | Masaoki Oda | Rin Kagaku Kogyo Co. | 1 |
| #8 | Yoshihiro Takikawa | Rin Kagaku Kogyo Co. | 1 |
| #8 | Norihiko Nakai | Nippon Koshuha Steel Co. | 1 |
| #8 | Hiroyuki Muro | Nippon Soda Co. | 1 |
| #8 | Toshiki Oonaka | — | 1 |