Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kazuo Sakamaki | Yukiwa Seiko | 4 |
| 1 | Koji Sakamaki | Yukiwa Seiko | 4 |
| 1 | Tadashi Taniguchi | Sony | 4 |
| #4 | Masaki Kawamura | Sharp Kabushiki Kaisha | 3 |
| #5 | Yusuke Ueki | Nippon Bearing Co. | 2 |
| #6 | Tomohiko Kikuchi | Teac | 1 |
| #6 | Taku Koyama | Nippon Bearing Co. | 1 |