Issued Patents All Time
Showing 25 most recent of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11372354 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2022-06-28 |
| 10816922 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2020-10-27 |
| 10423104 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2019-09-24 |
| 10031451 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2018-07-24 |
| 9939747 | Developing agent and method for producing the same | Tsuyoshi Itou | 2018-04-10 |
| 9933721 | Electrophotographic toner and method for producing the same | Masahiro Ikuta, Takayasu Aoki, Tsuyoshi Itou | 2018-04-03 |
| 9804543 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2017-10-31 |
| 9753390 | Metallic color image forming apparatus and metallic color image forming method | — | 2017-09-05 |
| 9500969 | Electrophotographic toner and method for producing the same | Masahiro Ikuta, Takayasu Aoki, Tsuyoshi Itou | 2016-11-22 |
| 9494885 | Developing agent and method for producing the same | Tsuyoshi Itou | 2016-11-15 |
| 9465346 | Metallic color image forming apparatus and metallic color image forming method | — | 2016-10-11 |
| 9377724 | Image forming apparatus and method using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2016-06-28 |
| 9335680 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2016-05-10 |
| 9182727 | Image forming apparatus, image forming method, and computer-readable recording medium having image forming program recorded therein | Minoru Yoshida, Yoshiaki Kaneko, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi +3 more | 2015-11-10 |
| 9075348 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2015-07-07 |
| 9063444 | Developing agent and method of manufacturing the same | Tsuyoshi Itoh, Takayasu Aoki | 2015-06-23 |
| 9005869 | Developing agent and method for producing the same | Tsuyoshi Itou | 2015-04-14 |
| 8995857 | Image forming apparatus | Ken Iguchi, Hiroyuki Taguchi, Minoru Yoshida, Osamu Takagi, Yoshiaki Kaneko | 2015-03-31 |
| 8986915 | Toner, method for producing the same, cartridge storing the same, process cartridge, and image forming apparatus | Tsuyoshi Itou | 2015-03-24 |
| 8953965 | Image forming apparatus having fixing device that responds to request when using decolorable ink | Yoshiaki Kaneko, Minoru Yoshida, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi | 2015-02-10 |
| 8865388 | Electrophotographic toner and process for producing electrophotographic toner | Takayasu Aoki, Tsuyoshi Itou | 2014-10-21 |
| 8781338 | Image forming apparatus, image forming method, and computer-readable recording medium having image forming program recorded therein | Minoru Yoshida, Yoshiaki Kaneko, Osamu Takagi, Hiroyuki Taguchi, Ken Iguchi +3 more | 2014-07-15 |
| 8744283 | Image forming apparatus and image forming method | Yasuo Goto | 2014-06-03 |
| 8669036 | Producing method of toner | Tsuyoshi Itou, Takayasu Aoki, Masahiro Ikuta | 2014-03-11 |
| 8637217 | Electrophotographic toner and process for producing electrophotographic toner | Takayasu Aoki, Tsuyoshi Itou | 2014-01-28 |