Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Takashi Kono | Olympus | 171 |
| 2 | Hideki Nakamura | Hitachi | 141 |
| 3 | Yoshinobu Nakagome | Hitachi | 99 |
| #4 | Koichi Endo | Kabushiki Kaisha Toshiba | 43 |
| #5 | Mitsuo Kato | Mitsubishi Mining | 28 |
| #6 | Seiji Kashioka | Hitachi | 19 |
| #7 | Koichiro Takayama | Fujitsu Limited | 18 |
| #8 | Tomoyuki KAGA | Olympus | 8 |
| #9 | Hiromichi Fujimori | Aida Engineering | 4 |
| #9 | Kazutaka Kishita | Threebond Co. | 4 |
| #11 | Nobuo Ohsawa | Threebond Co. | 2 |
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