Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Eri FUKUSHIMA | Namiki Seimitsu Houseki | 4 |
| 1 | Takafumi Asada | Sumitomo Electric Industries | 4 |
| 3 | Norikazu Sato | Minebea Mitsumi | 1 |
| 3 | Naoto Iwano | Elna Co. | 1 |
| 3 | Tomoyuki Kugou | Namiki Seimitsu Houseki | 1 |
| 3 | Kinya Odagiri | Namiki Seimitsu Houseki | 1 |
| 3 | Naozumi KIMURA | Elna Co. | 1 |
| 3 | Kazumi Yanagiura | Adamant Namiki Precision Jewel Co. | 1 |