Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ryoji Nishio | Hitachi High-Technologies | 2 |
| 2 | Minoru Soraoka | Hitachi | 1 |
| 2 | Takao Arase | Hitachi High-Technologies | 1 |
| 2 | Ryoichi Isomura | — | 1 |
| 2 | Kazuo Hatakeyama | Kabushiki Kaisha Toshiba | 1 |
| 2 | Michikazu Morimoto | Hitachi High-Technologies | 1 |
| 2 | Takahiro Shimomura | Hitachi High-Technologies | 1 |
| 2 | Yoshio Hironaka | Idemitsu Kosan Co. | 1 |
| 2 | Yuuzou Oohirabaru | Hitachi High-Technologies | 1 |
| 2 | Koh Yoshioka | Toyo Kohan Co. | 1 |
| 2 | Shinji Obama | Hitachi High-Technologies | 1 |
| 2 | Hidenobu Tanimura | Hitachi High-Technologies | 1 |