Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Haruyasu Kida | Fuji Oil Holdings | 2 |
| 2 | Masahir Tsunooka | Sumitomo Electric Industries | 1 |
| 2 | Tsutomu Aoki | Shionogi & Co. | 1 |
| 2 | Kozo Misumi | Osaka Soda Co. | 1 |
| 2 | Toshiya Otani | Niles Parts Co. | 1 |
| 2 | Katsuro Tsukamoto | Japan Matex Co. | 1 |
| 2 | Hiroyuki Kisaka | Kubota | 1 |
| 2 | Yutaka Furukawa | Asahi Glass Co. | 1 |