Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9796200 | Decoloring method and decoloring device | Norifumi Yagi, Takao Ishida, Kanya Hiroi | 2017-10-24 |
| 9684273 | Apparatus that forms an image on a medium using a plurality of erasable materials and erasing apparatus | Norifumi Yagi, Takao Ishida, Kanya Hiroi | 2017-06-20 |
| 9619188 | Image forming system and image forming method | Norifumi Yagi, Takao Ishida, Kanya Hiroi, Hiroshi Hashidume, Kazuhiro Ogura +1 more | 2017-04-11 |