Showing 1–21 of 21 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yoshiro Mikami | Hitachi | 9 |
| 2 | Katsuzou Aihara | Hitachi | 4 |
| 3 | Noboru Baba | Hitachi | 3 |
| #4 | Shuji Katoh | Hitachi | 2 |
| #4 | Toshio Tamura | Dainippon Screen Mfg. Co. | 2 |
| #4 | Tsunehiro Endo | Hitachi | 2 |
| #4 | Hiroshi Hozoji | Hitachi | 2 |
| #4 | Akira Sekine | Hitachi | 2 |
| #4 | Toshimi Abukawa | Hitachi | 2 |
| #4 | Yoshikatsu Hashimoto | Hitachi | 2 |
| #4 | Tadahiro Katane | Hitachi Engineering Co. | 2 |
| #12 | Masahiko Soshino | Hitachi | 1 |
| #12 | Sakae Gotou | Hitachi | 1 |
| #12 | Katsuhide Uchida | Gastec | 1 |
| #12 | Shozo Nakamura | Hitachi | 1 |
| #12 | Hitoshi Fukube | Hitachi | 1 |
| #12 | Hiroshi Kanazawa | Pentax | 1 |
| #12 | Etsuko Nishimura | Hitachi | 1 |
| #12 | Yoshirou Mikami | Hitachi | 1 |
| #12 | Kou Ajima | Hitachi | 1 |
| #12 | Toshiro Mikami | Hitachi | 1 |