Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masashi Kamada | Canon | 4 |
| 2 | Naoki Sakurai | Hitachi | 2 |
| 2 | Masaki Akiyama | Canon | 2 |
| 2 | Tetsuya Murakami | Koyo Seiko Co. | 2 |
| #5 | Hideki Yoshihara | Kobelco Construction Machinery Co. | 1 |
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