Showing 1–20 of 20 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Toshimi Abukawa | Hitachi | 3 |
| 2 | Shigeyoshi Kawano | Babcock-Hitachi | 2 |
| 2 | Hirohisa Yamamura | Hitachi | 2 |
| 2 | Shozo Nakamura | Hitachi | 2 |
| 2 | Ryo Hiraga | Hitachi | 2 |
| 2 | Kenji Tsuchita | Hitachi | 2 |
| 2 | Seikou Suzuki | Hitachi | 2 |
| #8 | Hiroshisa Yamamura | Hitachi | 1 |
| #8 | Hiroshi Kanazawa | Pentax | 1 |
| #8 | Setsuo Arita | Hitachi | 1 |
| #8 | Koozoo Nakamura | Hitachi | 1 |
| #8 | Takao Yaginuma | Hitachi | 1 |
| #8 | Tuneyoshi Oohashi | Hitachi | 1 |
| #8 | Seikoo Suzuki | Hitachi | 1 |
| #8 | Stunehiro Endo | Hitachi | 1 |
| #8 | Tunehiro Endo | Hitachi | 1 |
| #8 | Toshi Sasaki | Hitachi Cable | 1 |
| #8 | Toshio Tamura | Dainippon Screen Mfg. Co. | 1 |
| #8 | Tsunehiro Endo | Hitachi | 1 |
| #8 | Noboru Baba | Hitachi | 1 |