Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7439281 | Pigment dispersion, precursor of ink for UV-curing type ink-jet recording, method of ink-jet recording, printed matter, and method of manufacturing pigment dispersion | Toru Ushirogouchi, Ryozo Akiyama, Kazuhiko Ohtsu, Mitsuru Ishibashi | 2008-10-21 |
| 7425525 | Washing solution for inkjet printer head and washing method using the solution | Ryozo Akiyama, Toru Ushirogouchi, Mitsuru Ishibashi, Kazuhiko Ohtsu | 2008-09-16 |
| 7417074 | Ink for ink jet and ink jet recording apparatus | Kazuhiko Ohtsu, Yoshito Endo, Toru Ushirogouchi, Ryozo Akiyama | 2008-08-26 |
| 7404852 | Inkjet ink, inkjet recording method, method of evaluating inkjet ink, and method of manufacturing inkjet ink | Mitsuru Ishibashi, Toru Ushirogochi, Kazuhiko Ohtsu, Ryozo Akiyama | 2008-07-29 |
| 7393400 | Non-aqueous ink composition for ink jet | Takaya Kitawaki, Hiroshi Kiyomoto | 2008-07-01 |
| 7387380 | Liquid ink and recording apparatus | Toru Ushirogouchi, Chiaki Tanuma, Kazuhiko Ohtsu, Ryozo Akiyama, Yoshito Endo | 2008-06-17 |
| 7311371 | Method for inkjet recording | Takaya Kitawaki, Hiroshi Kiyomoto | 2007-12-25 |
| 7303621 | Ink composition for inkjet | Takaya Kitawaki, Hiroshi Kiyomoto | 2007-12-04 |
| 7300508 | Ink composition for inkjet | Takaya Kitawaki, Hiroshi Kiyomoto | 2007-11-27 |
| 7265768 | Image forming apparatus | Shinji Aoki, Masashi Takahashi, Takeshi Watanabe | 2007-09-04 |
| 7190924 | Image forming apparatus that eliminates the inadvertence of mixed color toners and image forming method | Takeshi Watanabe, Masashi Takahashi | 2007-03-13 |
| 7125112 | Liquid ink and recording apparatus | Toru Ushirogouchi, Chiaki Tanuma, Kazuhiko Ohtsu, Ryozo Akiyama, Yoshito Endo | 2006-10-24 |
| 7108367 | Liquid ink and recording apparatus | Toru Ushirogouchi, Chiaki Tanuma, Kazuhiko Ohtsu, Ryozo Akiyama, Yoshito Endo | 2006-09-19 |
| 7030895 | Image forming apparatus | Shinji Aoki, Masashi Takahashi, Takeshi Watanabe | 2006-04-18 |
| 6959986 | Liquid ink and recording apparatus | Toru Ushirogouchi, Chiaki Tanuma, Kazuhiko Ohtsu, Ryozo Akiyama, Yoshito Endo | 2005-11-01 |
| 6952552 | Image forming apparatus and method that applies different voltages to pressing members | Shinji Aoki, Takeshi Watanabe, Masashi Takahashi | 2005-10-04 |
| 6920302 | Image forming apparatus and toner discharge control method | Masashi Takahashi, Takeshi Watanabe | 2005-07-19 |
| 6865360 | Image forming apparatus and toner discharge control method | Masashi Takahashi, Takeshi Watanabe | 2005-03-08 |
| 6862422 | Image forming apparatus and image forming method having pressing members for pressing a belt-like member | Shinji Aoki, Takeshi Watanabe, Masashi Takahashi | 2005-03-01 |
| 6661987 | Image forming apparatus for forming color images | — | 2003-12-09 |
| 6647233 | Image forming apparatus | — | 2003-11-11 |
| 6603936 | Fixing apparatus and fixing method | Hiroshi Murata | 2003-08-05 |
| 6600889 | Image forming apparatus having rotational control of selectively active development rollers | Shinji Aoki | 2003-07-29 |
| 6567639 | Fixing device for heat pressure fixing a record medium and method thereof | Hiroshi Murata, Takao Izumi | 2003-05-20 |
| 6535708 | Developing device with a contact-enabling mechanism | Yoshiya Hashimoto | 2003-03-18 |