Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yuji Katsuda | Ngk Insulators | 4 |
| 2 | Ken Tsuchiya | — | 1 |
| 2 | Haruna Kato | Brother Kogyo | 1 |
| 2 | Kazunari Ogura | Jtekt | 1 |
| 2 | Masaru Yagi | Kitagawa Industries Co. | 1 |
| 2 | Hiromiki Koyama | Futaba Industrial Co. | 1 |
| 2 | Anna Koseki | Ngk Insulators | 1 |