Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takafumi Asada | Sumitomo Electric Industries | 2 |
| 1 | Eri FUKUSHIMA | Namiki Seimitsu Houseki | 2 |
| 3 | Norikazu Sato | Minebea Mitsumi | 1 |
| 3 | Kazumi Yanagiura | Adamant Namiki Precision Jewel Co. | 1 |
| 3 | Takayuki KOSHIKAWA | Namiki Seimitsu Houseki | 1 |
| 3 | Chihiro OKAMOTO | Adamant Namiki Precision Jewel Co. | 1 |
| 3 | Yukiharu Shimizu | — | 1 |