Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tadashi Asanuma | Mitsui Toatsu Chemicals, Incorporated | 13 |
| 2 | Masatoshi Yoneyama | Koito Manufacturing Co. | 2 |
| 2 | Norio Takahashi | Kabushiki Kaisha Toshiba | 2 |
| 2 | Yoshiharu Ohta | Minolta | 2 |
| 2 | Eiji Koga | Canon | 2 |
| #6 | Takayuki Doi | Takeda Chemical Industries | 1 |
| #6 | Eiji Kitajima | Koa Oil Company | 1 |
| #6 | Tomekichi Matsushita | The Ohtsu Tire & Rubber Co. | 1 |
| #6 | Kazuo Iura | Sumitomo Wiring Systems | 1 |
| #6 | Kazuhiro Sakiyama | Fujitsu Ten Limited | 1 |
| #6 | Kazunobu Abe | Sakai Chemical Industry Co. | 1 |
| #6 | Mikio Uematsu | Kabushiki Kaisha Toshiba | 1 |
| #6 | Atsuko Kawai | Fujitsu Limited | 1 |
| #6 | Masato Sugiyo | Daihen | 1 |
| #6 | Eiji Maruden | Tanaka Kikinzoku Kogyo K.K. | 1 |
| #6 | Tetsuji Bai | Taihei Machinery Works | 1 |