Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hirokazu Tanaka | Canon | 9 |
| 2 | Koichi Watanabe | Hitachi | 7 |
| 3 | Akira Ueno | Olympus | 5 |
| #4 | Yoshiharu Inoue | NS Sumikin Stainless | 4 |
| #4 | Susumu Saito | Hitachi | 4 |
| #6 | Toshiya Watanabe | Toto | 2 |
| #6 | Yasuo Watanabe | Hitachi | 2 |
| #8 | Yuji Koyama | Seed Co. | 1 |
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