Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hirokazu Tanaka | Canon | 9 |
| 2 | Susumu Saito | Hitachi | 5 |
| 3 | Koichi Watanabe | Hitachi | 3 |
| 3 | Toshiya Watanabe | Toto | 3 |
| 3 | Akira Ueno | Olympus | 3 |
| #6 | Yoshiharu Inoue | NS Sumikin Stainless | 2 |
| #7 | Tatsuo Miyazaki | Central Glass Company, Limited | 1 |
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