Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hidetaka Tsukada | Mitsui Chemicals | 3 |
| 2 | Kiyoteru Nagahara | Mitsui Chemicals | 2 |
| 2 | Shinsuke Ito | Mitsui Chemicals | 2 |
| 2 | Tetsuo Wada | Fujitsu Limited | 2 |
| #5 | Masaru Kawaguchi | Mitsui Chemicals | 1 |
| #5 | Mamoru Ueda | Sony | 1 |
| #5 | Kenju Sasaki | Mitsui Chemicals | 1 |