Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takao Kobayashi | Seiko Epson | 5 |
| 2 | Makoto Mori | Carl Manufacturing Co. | 4 |
| 3 | Masao Kinoshita | Koito Manufacturing Co. | 2 |
| 3 | Tamotsu Usami | Unknown | 2 |
| 3 | Hideaki Oka | Seiko Epson | 2 |
| #6 | Noritoshi Oka | Daikin Industries | 1 |
| #6 | Yumi Saito | Honda Motor Co. | 1 |
| #6 | Mamoru Mizutani | Ntn | 1 |
| #6 | Hiroyuki Matsubara | Toyota | 1 |
| #6 | Yushi Takeuchi | Toyota | 1 |
| #6 | Shigeru Hayashida | Hitachi Chemical Company | 1 |
| #6 | Takashi Asada | Seiko Epson | 1 |
| #6 | Toshiyuki Yano | — | 1 |