Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hiroshi Kitaguchi | Hitachi | 4 |
| 2 | Shunichi Uzawa | Canon | 2 |
| 2 | Kensei Hosoya | Hitachi Koki Co. | 2 |
| 2 | Toshikazu Narahara | Hitachi | 2 |
| #5 | Akira Osada | Mitsubishi Materials | 1 |
| #5 | Kenzo Nakamura | Mitsubishi Materials | 1 |
| #5 | Kimiya Nokina | Hitachi | 1 |
| #5 | Yasuo Ohkita | Mitsui Toatsu Chemicals, Incorporated | 1 |
| #5 | Akira Takahachi | Hitachi | 1 |
| #5 | Teruhisa Honshima | Hitachi | 1 |
| #5 | Hisao Sonobe | Hitachi | 1 |
| #5 | Masaharu Kamei | Earth Chemical Co. | 1 |
| #5 | Akihiro Murakami | Mitsubishi Materials | 1 |
| #5 | Toshiaki Fujita | Mitsubishi Materials | 1 |