Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Tatsuo Kawaguchi | Ngk Insulators | 3 |
| 2 | Sakuji Yoshihara | Hoya | 2 |
| 3 | Kazuyuki Tsurunaga | Kabushiki Kaisha Toshiba | 1 |
| 3 | Hiroyuki Gotoh | Ricoh Company | 1 |
| 3 | Kazuaki Kojima | Olympus | 1 |
| 3 | Ryoji Fujiwara | Canon | 1 |