Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Teruaki Mitsuya | Hitachi | 51 |
| 2 | Toshio Kitamura | Shofu | 39 |
| 3 | Masahiko Sakamoto | Mitsubishi Electric | 24 |
| #4 | Kiyoshi Izumi | Kubota | 19 |
| #4 | Takahiro Tadokoro | Hitachi | 19 |
| #6 | Jiro Kuniya | Hitachi | 15 |
| #7 | Hidetaka Satou | Hitachi Chemical Company | 7 |
| #7 | Ichiro Enbutsu | Hitachi | 7 |
| #9 | Koji Amakawa | Hitachi | 5 |
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