Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385047 | Transformed cell production method | Masafumi Jinno, Hidemasa Kato, Yoshimi Tokuzawa, Junko Myojo, Susumu Satoh | 2025-08-12 |
| 10088789 | Belt, transfer belt unit, and image forming apparatus | Takayuki TAKAZAWA | 2018-10-02 |
| 9488929 | Image forming unit and image forming apparatus | — | 2016-11-08 |
| 8587894 | Disc device | Takaharu Eguchi, Yoshifumi Awakura, Tatsunori Fujiwara, Akinori Tsukaguchi | 2013-11-19 |
| 8543039 | Image forming apparatus | — | 2013-09-24 |
| 8381605 | Disc device | Takaharu Eguchi, Yoshifumi Awakura, Tatsunori Fujiwara, Akinori Tsukaguchi | 2013-02-26 |
| 8272003 | Disc apparatus | Takaharu Eguchi, Yoshifumi Awakura, Tatsunori Fujiwara, Akinori Tsukaguchi | 2012-09-18 |
| 7389070 | Image forming apparatus having charge member and pressing member | — | 2008-06-17 |
| 7212755 | Image forming apparatus | — | 2007-05-01 |
| 7058344 | Developing apparatus | Takao Mizutani, Tetsuya Segawa | 2006-06-06 |
| 7035561 | Image developing apparatus and image forming apparatus utilizing the same | — | 2006-04-25 |
| 6975823 | Image forming apparatus including a precharging device | Takao Mizutani, Masayuki Suzuki | 2005-12-13 |
| 6205310 | Electrophotographic recording apparatus having a charging roller with a surface layer comprising a resin and a hardener | — | 2001-03-20 |
| 6081679 | Method of cleaning residual toner from drum and rollers of image forming apparatus | Tsutomu Yamane, Hirokazu Ando, Takao Mizutani, Masao Isoda | 2000-06-27 |