Showing 1–17 of 17 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takao Arase | Hitachi High-Technologies | 4 |
| 2 | Takashi Koshiro | Toyo Kohan Co. | 2 |
| 2 | Hironao Okayama | Toyo Kohan Co. | 2 |
| 2 | Michikazu Morimoto | Hitachi High-Technologies | 2 |
| 2 | Yasuo Ohgoshi | Hitachi | 2 |
| 2 | Teppei Kurokawa | Toyo Kohan Co. | 2 |
| 2 | Kazunori Nakamoto | Hitachi High-Technologies | 2 |
| 2 | Ryoji Nishio | Hitachi High-Technologies | 2 |
| #9 | Shinichi Taya | Toyo Kohan Co. | 1 |
| #9 | Shuichi Kamei | Toyo Kohan Co. | 1 |
| #9 | Yuuzou Oohirabaru | Hitachi High-Technologies | 1 |
| #9 | Mari Nishi | Toyo Seikan Co. | 1 |
| #9 | Kunihiro Yoshimura | Toyo Kohan Co. | 1 |
| #9 | Mayuko Hosoya | Toyo Kohan Co. | 1 |
| #9 | Hideaki Kondo | Hitachi High-Technologies | 1 |
| #9 | Tooru Aramaki | — | 1 |
| #9 | Akane Itoh | Toyo Seikan Co. | 1 |