Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nobuhisa Watanabe | Sumitomo Electric Industries | 4 |
| 2 | Shigeyuki Akiba | Kokusai Denshin Denwa Co. | 3 |
| 3 | Hiroyuki Usami | — | 2 |
| 3 | Yasuo Kitajima | Citizen Watch Co. | 2 |
| #5 | Takayuki Hasumi | Citizen Watch Co. | 1 |
| #5 | Masahiro Kasaya | Citizen Watch Co. | 1 |
| #5 | Nobuyuki Uehara | Citizen Watch Co. | 1 |
| #5 | Katsuji Shimazawa | Mitsubishi Cable Industries | 1 |
| #5 | Yurie Udou | Citizen Watch Co. | 1 |
| #5 | Yutaka Kaneda | Sony | 1 |
| #5 | Nobuyoshi Kishida | Canon | 1 |
| #5 | Shinya Kondoh | Citizen Watch Co. | 1 |
| #5 | Sadao Degawa | Ishikawajima-Harima Jukogyo | 1 |
| #5 | Kenji Miyasaka | Toyota | 1 |
| #5 | Norio Miyauchi | Citizen Watch Co. | 1 |
| #5 | Hideo Yoshihara | Brother Kogyo | 1 |
| #5 | Mitsuhiro Katsuragawa | Canon | 1 |