Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasushi Abe | Ricoh Company | 2 |
| 2 | Nobuyuki Tanno | Denki Kagaku Kogyo | 1 |
| 2 | Hirohisa Otake | Denki Kagaku Kogyo | 1 |
| 2 | Ryoetsu Yoshino | Denki Kagaku Kogyo | 1 |
5 patents · 4 inventors
Ranked #13,853 of 41,746 cities Top 35%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Yasushi Abe | Ricoh Company | 2 |
| 2 | Nobuyuki Tanno | Denki Kagaku Kogyo | 1 |
| 2 | Hirohisa Otake | Denki Kagaku Kogyo | 1 |
| 2 | Ryoetsu Yoshino | Denki Kagaku Kogyo | 1 |