Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hirotoshi Sato | Mitsubishi Electric | 5 |
| 2 | Katsuji Ujita | Kuraray Co. | 3 |
| 3 | Akinobu Takeda | Kuraray Co. | 1 |
| 3 | Hiroshi Ozawa | Kuraray Co. | 1 |
| 3 | Nobutoshi Wada | Kuraray Co. | 1 |
| 3 | Akira Nakamura | Ube Industries | 1 |
| 3 | Junji Funakoshi | Kuraray Co. | 1 |
| 3 | Masanao Kuwabara | Hitachi Industrial Equipment Systems Co. | 1 |
| 3 | Toru Abe | Sumitomo Electric Industries | 1 |