Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hirotoshi Sato | Mitsubishi Electric | 4 |
| 2 | Haruo Nagai | Kyowa Gas Chemical Industry Co. | 1 |
| 2 | Takuo Tsuruta | Kuraray Co. | 1 |
| 2 | Masanao Kuwabara | Hitachi Industrial Equipment Systems Co. | 1 |
| 2 | Youji Ono | Kuraray Co. | 1 |
| 2 | Hiroshi Ozawa | Kuraray Co. | 1 |
| 2 | Takehiro Kameya | Kuraray Noritake Dental | 1 |