Showing 1–15 of 15 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takeshi Koyama | Canon | 5 |
| 2 | Hiroaki Umemoto | Konica Minolta | 3 |
| 2 | Kozo Yamamoto | Exedy | 3 |
| 2 | Hiroshi Uehara | Exedy | 3 |
| #5 | Tadayuki Sota | Kurashiki Boseki | 2 |
| #5 | Akio Kurosawa | Kurashiki Boseki | 2 |
| #5 | Takeshi Kawamoto | Exedy | 2 |
| #8 | Akihide Namura | Komatsu | 1 |
| #8 | Kazuhito Maeda | Exedy | 1 |
| #8 | Atsushi Nishino | Sumitomo Electric Industries | 1 |
| #8 | Kazuhiro Yamashita | Sumitomo Electric Industries | 1 |
| #8 | Omori Kenji | Applied Materials | 1 |
| #8 | Kazuhiro Koshi | Exedy | 1 |
| #8 | Hiroyuki Ushio | Exedy | 1 |
| #8 | Kayoko Yoshihara | Kyocera | 1 |