Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jun Nitta | Toyama Chemical Co. | 8 |
| 2 | Yoshiko Yamamoto | Toyama Chemical Co. | 5 |
| 3 | Akira Takahashi | Toshiba Ceramics Co. | 4 |
| #4 | Shinichi Uchiyama | Honda Motor Co. | 3 |
| #5 | Seizi Sumikawa | Diesel Kiki Co. | 2 |
| #5 | Hiroshi Toki | Osaka University | 2 |
| #7 | Akihiro Mathuda | Nippon Carbide Industries Co. | 1 |
| #7 | Naotake Osaki | Nippon Carbide Industries Co. | 1 |