Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hideyuki Sakai | Nichidai Industrial Co. | 1 |
| 1 | Masayasu Sakai | Mitsubishi Mining | 1 |
| 1 | Junichi Miyaji | Mitsubishi Electric | 1 |
| 1 | Yoshiyuki Matsuno | Electric Power Development Co. | 1 |
| 1 | Taketoshi Furusawa | Mitsubishi Mining | 1 |
| 1 | Kihei Katsuta | Electric Power Development Co. | 1 |
| 1 | Yosaburo Ichinose | Mitsubishi Electric | 1 |
| 1 | Yasuro Takahashi | Mitsubishi Mining | 1 |
| 1 | Ryosuke Taniguti | Mitsubishi Electric | 1 |
| 1 | Hiroya Maki | Mitsubishi Mining | 1 |
| 1 | Yoshikazu Ito | Dai Nippon Insatsu | 1 |
| 1 | Takeo Takaishi | Mitsubishi Mining | 1 |