Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ikuo Kano | Sumitomo Electric Industries | 1 |
| 1 | Kazuhiro Umeki | Ricoh Company | 1 |
| 1 | Sakuji Yaegashi | Ace Denken Co. | 1 |
| 1 | Jiroh Kawana | Sumitomo Electric Industries | 1 |
| 1 | Hiroyasu Obara | Ace Denken Co. | 1 |
| 1 | Mitsuhiro Tada | Ace Denken Co. | 1 |
| 1 | Yuzi Onodera | Ricoh Company | 1 |
| 1 | Koshiro Nakai | Ace Denken Co. | 1 |