Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10942472 | Electrophotography device development roll including shaft, elastic layer and surface layer | Kengo Fujii, Takeru Horiuchi | 2021-03-09 |
| 9617361 | Conductive member for electrophotographic image forming apparatus | Yosuke Hayashi, Yasuyuki Hayasaki | 2017-04-11 |
| 9436151 | Electrophotographic device member | Yosuke Hayashi, Keiichi Inoue, Kazushi Yamaguchi, Kazuhiro Iida, Kentaro Imai +1 more | 2016-09-06 |
| 8718518 | Development roll for electrophotographic equipment | Masanari Umeda, Yousuke Hayashi | 2014-05-06 |