Showing 1–24 of 24 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Eiji Nakamura | IBM | 109 |
| 2 | Shuzo Moroto | Aisin Aw Co. | 60 |
| 3 | Masanobu Ishikawa | Aisin Seiki Kabushiki Kaisha | 33 |
| #4 | Shigeru Nakano | Dai Nippon Printing Co. | 28 |
| #5 | Shigeaki Sumiya | Ngk Insulators | 27 |
| #6 | Keiji Yasuda | Aisin Seiki Kabushiki Kaisha | 25 |
| #7 | Yoshihiko Nakayama | Hitachi High-Technologies | 24 |
| #8 | Yukio Miyata | Jfe Steel | 18 |
| #9 | Nobuki Tanaka | Kawasaki Steel | 15 |
| #10 | Takafumi Ikeda | Pfizer | 12 |
| #11 | Tsutomu Ide | Tdk | 11 |
| #12 | Hajime Okumura | Nakano Vinegar Co. | 10 |
| #12 | Jueru Shimizu | Toyota | 10 |
| #14 | Atsuyoshi Kimura | Daido Tokushuko | 7 |
| #14 | Kozo Imura | Jgc | 7 |
| #14 | Kazuya Serizawa | Nof | 7 |
| #17 | Toshio Ohnishi | Kawasaki Steel | 6 |
| #17 | Itaru Shirahata | Tokai Kogyo Co. | 6 |
| #19 | Masaki Sudoh | Teijin Limited | 4 |
| #19 | Hidemi Nakagawa | Ngk Insulators | 4 |
| #21 | Ryoji Morimoto | Hoshizaki Denki | 3 |
| #21 | Katsura Sugiura | Tokai Kogyo Co. | 3 |
| #23 | Yoshiyuki Sensui | Mino Yogyo Co. | 2 |
| #23 | Susumu Itadani | Kawasaki Steel | 2 |