Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Koichiro Kitamura | Kitamura Machinery Co. | 3 |
| 2 | Katsumi Tanino | Toyama Prefecture | 2 |
| 2 | Toru Asada | Aisin Seiki Kabushiki Kaisha | 2 |
| #4 | Masaaki Nishina | Nippon Zeon Co. | 1 |
| #4 | Kin-ichi Okumura | Nippon Zeon Co. | 1 |
| #4 | Masakazu Aburatani | Fuji Yakuhin Kogyo Kabushiki Kaisha | 1 |
| #4 | Takuya Isobe | Aisin Seiki Kabushiki Kaisha | 1 |
| #4 | Shigeki Yonehara | Nippon Zeon Co. | 1 |
| #4 | Yoshinori Konishi | Toyama Chemical Co. | 1 |
| #4 | Kiyosi Nitta | Nippon Zeon Co. | 1 |