Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hirokazu Tanaka | Canon | 13 |
| 2 | Susumu Saito | Hitachi | 7 |
| 3 | Toshiya Watanabe | Toto | 1 |
| 3 | Yoshiharu Inoue | NS Sumikin Stainless | 1 |
| 3 | Akira Ueno | Olympus | 1 |
| 3 | Yasuo Watanabe | Hitachi | 1 |
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