Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshiro Mikami | Hitachi | 9 |
| 2 | Tsunehiro Endo | Hitachi | 7 |
| 3 | Seikou Suzuki | Hitachi | 4 |
| #4 | Hiroshi Hozoji | Hitachi | 3 |
| #4 | Nobuo Kurihara | Hitachi | 3 |
| #4 | Toshio Tamura | Dainippon Screen Mfg. Co. | 3 |
| #7 | Morimichi Umino | Hitachi | 2 |
| #7 | Yoshikatsu Hashimoto | Hitachi | 2 |
| #7 | Etsuko Nishimura | Hitachi | 2 |
| #7 | Hideki Mukuno | Hitachi | 2 |
| #7 | Ryo Hiraga | Hitachi | 2 |
| #12 | Keizou Hirai | Hitachi Chemical Company | 1 |
| #12 | Atsushi Kakuta | Hitachi | 1 |
| #12 | Sakae Gotou | Hitachi | 1 |
| #12 | Hisao Yokoyama | Hitachi | 1 |
| #12 | Kou Ajima | Hitachi | 1 |
| #12 | Shozo Nakamura | Hitachi | 1 |
| #12 | Ko Hisamoto | Hitachi | 1 |
| #12 | Noboru Baba | Hitachi | 1 |