Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takashi Akutagawa | Stanley Electric Co. | 3 |
| 2 | Munehisa Okutsu | Kao | 2 |
| 3 | Akira Nakakuma | Mita Industrial Co. | 1 |
| 3 | Isamu Yamanishi | Kubota | 1 |
| 3 | Chikara Yoshioka | Dic | 1 |
| 3 | Seiichi Fujita | Seiko Epson | 1 |
| 3 | Hisao Morita | Sumitomo Electric Industries | 1 |
| 3 | Akihiko Nakajima | Dai-Ichi Kogyo Seiyaku Co. | 1 |