Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410024 | Pull-out lock device for sheet container and image-forming apparatus including the same | Hiroki Shintani, Toshihiko Seike, Shohtaroh Okamoto | 2025-09-09 |
| 10384894 | Sheet feeding device and image forming apparatus | Toshihiko Seike | 2019-08-20 |
| 10003704 | Arm rotating device and image forming apparatus provided with the same | Toshihiko Seike, Kouji Wakamoto, Junya Masuda | 2018-06-19 |
| 9438756 | Arm rotating device and image forming apparatus provided with the same | Toshihiko Seike, Kouji Wakamoto, Junya Masuda | 2016-09-06 |
| 8448941 | Image forming apparatus | — | 2013-05-28 |
| 7796919 | Image forming apparatus capable of preventing worsening of image quality caused by excessively charged developer | Susumu Murakami, Yoshiaki Kojoh, Kuniaki Nakano, Yoshie Iwakura | 2010-09-14 |
| 7791633 | Optical scanning unit and image forming apparatus | Takasumi Wada, Takayuki Ohno, Yasuhiro Ono, Ayumu Oda | 2010-09-07 |
| 7502046 | Optical scanning unit and image forming apparatus | Yasuhiro Ono, Masaki Saka, Ayumu Oda | 2009-03-10 |
| 7418234 | Image forming apparatus | Susumu Murakami, Minoru Tomiyori, Hideshi Izumi, Kuniaki Nakano, Yoshie Iwakura | 2008-08-26 |
| 7171138 | Image forming apparatus | Shigenori Morimoto, Yasuhiro Takai, Atsushi Ueda | 2007-01-30 |