Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Fumihiro Morikawa | Nippon Densan Co. | 2 |
| 2 | Toshiaki Tsuzaki | Sumitomo Electric Industries | 1 |
| 2 | Tsutomu Inui | Honda Motor Co. | 1 |
| 2 | Keiichi Katayama | Mitsubishi Mining | 1 |
| 2 | Noriyoshi Naito | Sumitomo Electric Industries | 1 |
| 2 | Tadashi Itami | Sumitomo Electric Industries | 1 |