Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Akitaka Yajima | Seiko Epson | 3 |
| 2 | Kazuya Nakamura | Makita | 2 |
| 3 | Minoru Asao | Ushio Denki Kabushiki Kaisha | 1 |
| 3 | Kenichiro Yajima | Seiko Epson | 1 |
| 3 | Asako Ito | Ciba Specialty Chemicals | 1 |
| 3 | Tuyoshi Sugihara | Ushio Denki Kabushiki Kaisha | 1 |
| 3 | Shingo Oda | Daicel Chemical Industries | 1 |
| 3 | Takashi Nii | Kabushiki Kaisha Teikoku Denki Seisakusho | 1 |
| 3 | Toyokuni Katoh | Kabushiki Kaisha Toshiba | 1 |