Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8855532 | Image forming apparatus and image forming method for forming an image covering another image by a color erasable recoding material | — | 2014-10-07 |
| 8403461 | Aqueous inkjet ink | Takafumi Hara, Ryozo Akiyama, Maiko Yoshida, Atsushi Kubota | 2013-03-26 |
| 7995942 | Developing apparatus of image forming apparatus and supplying method of toner | Hiromichi Mitamura | 2011-08-09 |