Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hideo Ryu | Usui Kokusai Sangyo Kaisha Limited | 3 |
| 2 | Noboru Kuroda | Ricoh Company | 2 |
| 3 | Hayato SHIRAI | Seiko Epson | 1 |
| 3 | Takeo Kudoh | Ricoh Company | 1 |
7 patents · 4 inventors
Ranked #7,453 of 30,146 cities Top 25%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hideo Ryu | Usui Kokusai Sangyo Kaisha Limited | 3 |
| 2 | Noboru Kuroda | Ricoh Company | 2 |
| 3 | Hayato SHIRAI | Seiko Epson | 1 |
| 3 | Takeo Kudoh | Ricoh Company | 1 |