Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasushi Abe | Ricoh Company | 4 |
| 2 | Toshiaki Otsu | Denki Kagaku Kogyo | 3 |
| 3 | Hiroyuki Yashima | Denka Company Limited | 1 |
| 3 | Hideki Toya | Denki Kagaku Kogyo | 1 |
9 patents · 4 inventors
Ranked #6,400 of 30,730 cities Top 25%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasushi Abe | Ricoh Company | 4 |
| 2 | Toshiaki Otsu | Denki Kagaku Kogyo | 3 |
| 3 | Hiroyuki Yashima | Denka Company Limited | 1 |
| 3 | Hideki Toya | Denki Kagaku Kogyo | 1 |