Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasuji Koyama | Kikkoman | 3 |
| 2 | Toshihiko Shinya | Hitachi Construction Machinery Co. | 2 |
| 3 | Tetsuya Kishimoto | Hitachi | 1 |
| 3 | Mamoru Kikuchi | Kikkoman | 1 |
| 3 | Emiko Kinoshita | Kikkoman | 1 |
| 3 | Takehiko Tsuruyama | Japan Aviation Electronics Industry, Limited | 1 |
| 3 | Kenichi Satou | Mitsui Toatsu Chemicals, Incorporated | 1 |
| 3 | Akio Obata | Kikkoman | 1 |
| 3 | Ayako Nasu | Kikkoman | 1 |
| 3 | Yasushi Egi | Jamco | 1 |
| 3 | Akira Koshio | Japan Science And Technology Agency | 1 |
| 3 | Norifumi Shiraishi | Hitachi Chemical Company | 1 |
| 3 | Hidenao Kawai | Mitsubishi Mining | 1 |
| 3 | Tetsuya Oguma | Kikkoman | 1 |
| 3 | Riichiro Uchida | Kikkoman | 1 |
| 3 | Takayuki Yamazaki | Toyo Suisan Kaisha | 1 |