Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshiki Sakaguchi | Mitsui Mining & Smelting Co. | 3 |
| 2 | Masashi Kamada | Canon | 2 |
| 2 | Kousaku Tamari | Toda Kogyo | 2 |
| #4 | Takashi Sugano | Mazda Motor | 1 |
| #4 | Tetsuya Murakami | Koyo Seiko Co. | 1 |
| #4 | Hideo Yamamoto | Renesas Electronics | 1 |
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