Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yutaka Nakahara | Adeka Argus Chemical Co. | 7 |
| 2 | Noriki Ito | Yamanouchi Pharmaceutical Co. | 2 |
| 2 | Koji Usukura | Tokyo Eizai Laboratory Co. | 2 |
| #4 | Kimiyoshi Ban | Kabushiki Kaisha Toshiba | 1 |
| #4 | Hirokazu Ichii | Fujitsu Limited | 1 |
| #4 | Hiroshi Furuhata | The Jikei University | 1 |
| #4 | Satoshi Ohshima | Tanabe Seiyaku Co. | 1 |
| #4 | Nobuo Kamioka | Akebono Brake Industry Co. | 1 |
| #4 | Hidehiko Itagaki | Komatsu Zenoah | 1 |
| #4 | Jun Sakamaki | AT&T | 1 |