Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshiiku Kikukawa | Minolta | 4 |
| 2 | Minoru Saruta | Asahi Intecc Co. | 1 |
| 2 | Tamotsu Kamoda | House Food Industrial Co. | 1 |
| 2 | Takaharu Matsuo | Fuji Oil Holdings | 1 |
| 2 | Manabu Kawachi | Pioneer Electronic | 1 |
| 2 | Sueyoshi Ishikawa | Daikin Industries | 1 |
| 2 | Naoya Kasai | Daiso Co. | 1 |
| 2 | Motomu Yoshimura | Mitsubishi Electric | 1 |
| 2 | Hitoo Umemoto | The Ohtsu Tire & Rubber Co. | 1 |
| 2 | Katsumi Yoshino | Unknown | 1 |
| 2 | Hajime Shikiya | Kubota | 1 |
| 2 | Nobumasa Kawashima | Kubota | 1 |