Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11630411 | Electrophotographic cleaning blade, process cartridge, and electrophotographic image forming apparatus | Arihiro Yamamoto, Syoji Inoue, Masahiro Watanabe, Toshirou Uchida, Youhei Ikeda +4 more | 2023-04-18 |
| 10088795 | Cleaning blade, process cartridge, and electrophotographic image forming apparatus | Yohei Ikeda, Arihiro Yamamoto | 2018-10-02 |
| 9996047 | Cleaning blade, process cartridge, and electrophotographic image forming apparatus | Arihiro Yamamoto, Masaaki Kimura | 2018-06-12 |
| 9457941 | Multipurpose elastic loop gasket | — | 2016-10-04 |
| 7283771 | Charging roller | Hirobumi Takahashi, Ayumi Okuda, Hiroshi Abe | 2007-10-16 |
| 7209683 | Charging roller featuring specified ratio of storage elastic modulus and dynamic viscoelasticity values and process cartridge and electrophotographic apparatus featuring the same | Hiroshi Abe, Hirobumi Takahashi, Ayumi Okuda | 2007-04-24 |
| 7171142 | Conductive roller, and process cartridge and electrophotographic apparatus which have conductive roller | Hiroshi Abe, Ayumi Okuda, Hirobumi Takahashi | 2007-01-30 |