Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masatake Tamaru | Komatsu | 3 |
| 2 | Tokio Oi | Cataler | 2 |
| 3 | Shigetaka Kameda | Komatsu | 1 |
| 3 | Atsuhiro Uratsuji | Sony | 1 |
| 3 | Masahiko Hamaguchi | Komatsu | 1 |
| 3 | Yasuaki Inuzuka | Nok | 1 |
| 3 | Toshiki Nakayama | Canon | 1 |