Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Koichi Tsuyama | Mita Industrial Co. | 4 |
| 2 | Yorio Iwasaki | Hitachi Chemical Company | 2 |
| 2 | Katsumi Oishi | GE | 2 |
| #4 | Hiroyuki Kuriya | Hitachi Chemical Company | 1 |
| #4 | Hiroharu Kamiyama | Hitachi Chemical Company | 1 |
| #4 | Eisaku Namai | Hitachi Chemical Company | 1 |
| #4 | Takao Sugawara | Fujitsu Limited | 1 |
| #4 | Shinsuke Hagiwara | Hitachi Chemical Company | 1 |
| #4 | Masami Arai | Hitachi Chemical Company | 1 |
| #4 | Kazuyuki Ino | Hitachi Construction Machinery Co. | 1 |
| #4 | Teruki Aizawa | Hitachi Chemical Company | 1 |
| #4 | Fujio Kojima | Hitachi Chemical Company | 1 |
| #4 | Tsuneyuki Inoue | Unknown | 1 |
| #4 | Hironori Ishizaka | Hitachi Chemical Company | 1 |
| #4 | Ikuo Hoshi | Hitachi Chemical Company | 1 |
| #4 | Toshirou Okamura | Hitachi Chemical Company | 1 |
| #4 | Masao Kanno | Sakata Seed | 1 |