Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10057452 | Image forming system and image forming method | Takao Ishida, Mamoru Nomura, Kanya Hiroi, Hiroshi Hashidume, Kazuhiro Ogura +1 more | 2018-08-21 |
| 10007222 | Cartridge, image forming apparatus and quality determining method of cartridge | Takao Ishida, Kanya Hiroi | 2018-06-26 |
| 9891573 | Apparatus and method for forming an image on a recording medium using erasable material and non-erasable material | Takao Ishida, Kanya Hiroi, Mamoru Nomura | 2018-02-13 |
| 9868314 | Decoloring method and decoloring device | Takao Ishida, Kanya Hiroi, Mamoru Nomura | 2018-01-16 |