Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroyuki Ishida | Koito Manufacturing Co. | 7 |
| 2 | Osamu Yamanaka | Toyoda Gosei Co. | 6 |
| 2 | Hiroshi Miyajima | Olympus | 6 |
| #4 | Mitsuo Kinoshita | Takemoto Yushi | 4 |
| #5 | Tsutomu Sakai | Toyota | 2 |
| #6 | Shoichi Ieoka | Toyota Industries | 1 |
| #6 | Kenji Hayashi | Seiko Epson | 1 |