Showing 1–20 of 20 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toyoshi Adachi | Brother Kogyo | 5 |
| 2 | Tatsuya Fukuda | Kyoraku Co. | 4 |
| 3 | Hiroyuki Nagaoka | Ngk Insulators | 3 |
| #4 | Taku Nagata | Kawasaki | 1 |
| #4 | Sho Nakajima | Kyoraku Co. | 1 |
| #4 | Toru Katase | Amano Enzyme | 1 |
| #4 | Kiichiro Amano | Aisin Seiki Kabushiki Kaisha | 1 |
| #4 | Shigeru Hanzawa | Ngk Insulators | 1 |
| #4 | Hiroshi Omae | Eisai R&D Management Co. | 1 |
| #4 | Toshikazu Miura | Menicon Co. | 1 |
| #4 | Yukiko Hoshi | Amano Enzyme | 1 |
| #4 | Masao Tsuzuki | Ngk Spark Plug Co. | 1 |
| #4 | Miho Nagaya | Amano Enzyme | 1 |
| #4 | Shota Nagao | Menicon Co. | 1 |
| #4 | Reiji Wakazono | Ngk Spark Plug Co. | 1 |
| #4 | Morihiro Urasaki | — | 1 |
| #4 | Yuuki Amano | Kyb | 1 |
| #4 | Akira Kuraishi | Kawasaki | 1 |
| #4 | Hayato Ishimoto | Eisai R&D Management Co. | 1 |
| #4 | Atsushi Uchida | Fujitsu Limited | 1 |