Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nobuo Shinozaki | Seiko Koki Kabushiki Kaisha | 5 |
| 2 | Ichiro Nemoto | Seiko Koki Kabushiki Kaisha | 3 |
| 2 | Shigeru Tagami | Seikosha Co. | 3 |
| #4 | Takahito Otora | Seikosha Co. | 2 |
| #5 | Kunio Mizukami | Onoda Cement Co. | 1 |
| #5 | Eiichi Onda | Seiko Koki Kabushiki Kaisha | 1 |
| #5 | Katauhito Niwa | Seikosha Co. | 1 |
| #5 | Shinji Nagaoka | Seiko Koki Kabushiki Kaisha | 1 |
| #5 | Keiji Ando | Asahi Kasei Chemicals | 1 |
| #5 | Yoshio Ishige | — | 1 |