Issued Patents All Time
Showing 1–15 of 15 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 |
| 9796200 | Decoloring method and decoloring device | Takao Ishida, Kanya Hiroi, Mamoru Nomura | 2017-10-24 |
| 9684273 | Apparatus that forms an image on a medium using a plurality of erasable materials and erasing apparatus | Takao Ishida, Kanya Hiroi, Mamoru Nomura | 2017-06-20 |
| 9619188 | Image forming system and image forming method | Takao Ishida, Mamoru Nomura, Kanya Hiroi, Hiroshi Hashidume, Kazuhiro Ogura +1 more | 2017-04-11 |
| 9552184 | Facsimile apparatus and method for printing facsimile | Takao Ishida, Kanya Hiroi | 2017-01-24 |
| 9533524 | Cartridge, image forming apparatus and quality determining method of cartridge | Takao Ishida, Kanya Hiroi | 2017-01-03 |
| 9481193 | Apparatus and method for forming an image on a medium using a plurality of erasable materials | Takao Ishida, Kanya Hiroi, Mamoru Nomura | 2016-11-01 |
| 9282221 | Facsimile apparatus and method for printing facsimile | Takao Ishida, Kanya Hiroi | 2016-03-08 |
| 9250837 | Image forming system and image forming method | Takao Ishida, Mamoru Nomura, Kanya Hiroi, Hiroshi Hashidume, Kazuhiro Ogura +1 more | 2016-02-02 |
| 9248661 | Decoloring method and decoloring device | Takao Ishida, Kanya Hiroi, Mamoru Nomura | 2016-02-02 |
| 9158252 | Apparatus and method for forming an image on a recording medium using erasable material and non-erasable material | Takao Ishida, Kanya Hiroi, Mamoru Nomura | 2015-10-13 |
| 9128442 | Cartridge, image forming apparatus and quality determining method of cartridge | Takao Ishida, Kanya Hiroi | 2015-09-08 |