Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshihiro Gotou | Sumitomo Electric Industries | 2 |
| 2 | Toru Akasaka | Sumitomo Electric Industries | 1 |
| 2 | Masaharu Oyama | Sumitomo Electric Industries | 1 |
| 2 | Takahisa Igaki | Sansho Seiyaku Co. | 1 |
| 2 | Yuji Kojima | Fukuoka Prefectural Government | 1 |
| 2 | Harumi Ono | Fukuoka Prefectural Government | 1 |
| 2 | Masanobu Tsurusaki | Fukuoka Prefectural Government | 1 |