Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hirokazu Tanaka | Canon | 248 |
| 2 | Susumu Saito | Hitachi | 201 |
| 3 | Koichi Watanabe | Hitachi | 135 |
| #4 | Yasuo Watanabe | Hitachi | 98 |
| #5 | Akira Ueno | Olympus | 91 |
| #6 | Toshiya Watanabe | Toto | 54 |
| #7 | Yoshiharu Inoue | NS Sumikin Stainless | 41 |
| #8 | Yuji Koyama | Seed Co. | 22 |
| #9 | Kenji Tsuruhara | Mitsubishi Chemical | 17 |
| #10 | Tatsuo Miyazaki | Central Glass Company, Limited | 11 |
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