Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Masahiko Miura | Makita | 3 |
| 2 | Kazuaki Tanaka | Hitachi | 2 |
| 2 | Junichi Takeuchi | Seiko Epson | 2 |
| 2 | Kijuro Hayano | Unknown | 2 |
| 2 | Akira Nakada | Nippon Gakki Seizo | 2 |
| 2 | Tetsuro Matsumoto | Hitachi | 2 |
| 2 | Mamoru Sugimoto | Seiko Epson | 2 |
| #8 | Katsuji Igarashi | Sony | 1 |
| #8 | Yuichi Kunitomo | Seiko Epson | 1 |
| #8 | Yasuaki Ichikawa | Erc | 1 |
| #8 | Yoshikazu Koike | Seiko Epson | 1 |
| #8 | Taira Hama | Kabushiki Kaisha Mihama Seisakusho | 1 |
| #8 | Mayumi Watanabe | Ajinomoto Co. | 1 |
| #8 | Hirokazu Sekino | Seiko Epson | 1 |