Showing 1–23 of 23 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshikazu Shibata | Sumitomo Electric Industries | 9 |
| 2 | Norihiro Yamasaku | Pfu Limited | 8 |
| 3 | Hiroshi Hirano | Toyama Chemical Co. | 6 |
| #4 | Karin SHIBATA | Aisin Keikinzoku Co. | 4 |
| #4 | Ryoji Tamai | Kawasaki | 4 |
| #4 | Tsuguhiro Kanada | Goldwin | 4 |
| #7 | Kazuhiro Kemma | Goldwin | 3 |
| #8 | Kenichi Takashima | Toyama Chemical Co. | 2 |
| #8 | Yuki Tsukio | Goldwin | 2 |
| #10 | Takanari Nakahashi | — | 1 |
| #10 | Kazuya Sakata | Goldwin | 1 |
| #10 | Emi Gokitani | Goldwin | 1 |
| #10 | Tatsuya Banba | Goldwin | 1 |
| #10 | Mineharu Asano | Goldwin | 1 |
| #10 | Mayumi Inagaki | Goldwin | 1 |
| #10 | Yumi Mito | Goldwin | 1 |
| #10 | Tuyoshi Yasoshima | — | 1 |
| #10 | Kazumi Nakada | Goldwin | 1 |
| #10 | Shigeo Kitamura | Nippon Soda Co. | 1 |
| #10 | Osamu Iwamura | Hitachi | 1 |
| #10 | Shozo Onogi | — | 1 |
| #10 | Toshifumi Akai | Sumitomo Electric Industries | 1 |
| #10 | Yoko IWAMURA | Goldwin | 1 |