Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mituhiro Onuki | Cca | 6 |
| 1 | Masazumi Ishikawa | Noritsu Koki Co. | 6 |
| 3 | Naotaka Sasaki | Japan Servo Co. | 3 |
| #4 | Isao Fujiu | Kabushiki Kaisha Yamada Seisakusho | 2 |
| #4 | Yoichi Shindo | Fuji Electric Co. | 2 |
| #4 | Mitsuo Yabutsuka | Kabushiki Kaisha Yamada Seisakusho | 2 |
| #4 | Shunichi Kawamata | Japan Servo Co. | 2 |
| #8 | Takahisa Hirayama | Toppan Printing Co. | 1 |
| #8 | Fujio Uchiumi | Sanden | 1 |
| #8 | Masahiro Matsushima | Sanden | 1 |
| #8 | Shinichi Kuroda | Sony | 1 |
| #8 | Masaru Fujiwara | Nippon Pillar Packing Co. | 1 |
| #8 | Nobuyasu Sadakata | Mitsuba | 1 |
| #8 | Sugio Otani | Unknown | 1 |
| #8 | Takafumi Ishii | Nippon Oil | 1 |
| #8 | Yoshio Sutoh | Ricoh Company | 1 |