Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Satoru Narizuka | Central Glass Company, Limited | 50 |
| 2 | Hiroshi Morohoshi | Ricoh Company | 43 |
| 3 | Manabu Yasumoto | Central Glass Company, Limited | 33 |
| #4 | Hiroko Suga | Rikenkaki Kogyo Kabushiki Kaisha | 2 |
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