Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11762315 | Image forming apparatus that improves contact member durability and suppresses occurrence of cleaning failure | Ken Yokoyama, Shuji Saito | 2023-09-19 |
| 11169472 | Image forming apparatus that improves contact member durability and suppresses occurrence of cleaning failure | Ken Yokoyama, Shuji Saito | 2021-11-09 |
| 11022922 | Image forming apparatus and intermediate transfer member | Shuji Saito, Seiji Nakahara, Ken Yokoyama, Hiroshi Kita, Kazushi Ino | 2021-06-01 |
| 11009816 | Electrophotographic belt and electrophotographic image forming apparatus | Keisuke Ishizumi, Takayuki Tanaka | 2021-05-18 |
| 10551771 | Electrophotographic belt and electrophotographic image forming apparatus | Kouichi Uchida, Noriaki Egawa, Masatsugu Toyonori, Shuji Saito, Yasuhiro Matsuo +2 more | 2020-02-04 |
| 10527972 | Image forming apparatus | Shuji Saito, Ken Yokoyama, Noriaki Egawa, Masatsugu Toyonori | 2020-01-07 |