Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroyuki Ishikawa | Toshiba Tec Kabushiki Kaisha | 6 |
| 2 | Katsuhiko Iwazaki | Toyota | 5 |
| 3 | Masayuki Ito | Toyota | 3 |
| #4 | Hiroyuki Naito | Panasonic | 2 |
| #4 | Satoshi Kato | Canon | 2 |
| #6 | Naoki Yanagisawa | Isuzu Motors Limited | 1 |
| #6 | Mitsuhiko Ohta | Fujitsu Limited | 1 |