Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mituo Fujita | Shinsei Industries Co. | 7 |
| 2 | Masami Ohsawa | Hamamatsu Photonics K.K. | 4 |
| 3 | Kumiko Koyama | Sony | 3 |
| 3 | Kunii Nakata | — | 3 |
| 3 | Hisanobu Nakayama | Nippon Steel | 3 |
| #6 | Takamasa Okumura | Nippondenso Co. | 2 |
| #6 | Yoshinobu Miyake | Japan National Oil | 2 |
| #6 | Toshiro Shimizu | Hines Nurseries | 2 |
| #9 | Katsuji Takata | — | 1 |
| #9 | Takamasa Iritani | — | 1 |
| #9 | Nobuoki Ishihara | Nippon Steel | 1 |
| #9 | Nagako Kitahara | — | 1 |
| #9 | Yasuo Kuramasu | — | 1 |
| #9 | Kaneo Gotan | — | 1 |
| #9 | Motonari Koyama | — | 1 |
| #9 | Toko Hashimoto | — | 1 |