Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8956798 | Process for producing toner for electrophotography | Takehiro Tsutsumi, Hiroshi Mizuhata | 2015-02-17 |
| 8277875 | Polyesters for thermal transfer image-receiving sheets | Nobumichi Kamiyoshi, Takashi Mukai, Yuuta Matsumoto, Yoshiaki Ban | 2012-10-02 |
| 8211608 | Method for production of resin emulsion | Hiroshi Mizuhata, Nobumichi Kamiyoshi | 2012-07-03 |
| 8211827 | Dye receptor layer compositions | Nobumichi Kamiyoshi, Takashi Mukai | 2012-07-03 |
| 8163671 | Dye receiving layer compositions for thermal transfer image-receiving sheets | Nobumichi Kamiyoshi, Takashi Mukai | 2012-04-24 |
| 7887983 | Process for preparing toner for electrophotography | Yoshinobu Ishikawa, Nobumichi Kamiyoshi | 2011-02-15 |
| 7811739 | Process for producing a resin emulsion and toner | Nobumichi Kamiyoshi, Yoshinobu Ishikawa | 2010-10-12 |
| 7723002 | Toner for electrostatic image development | Koji Shimokusa, Yasuhiro Hidaka | 2010-05-25 |
| 7625684 | Toner for electrophotography | Nobumichi Kamiyoshi, Koji Shimokusa, Takashi Yamaguchi | 2009-12-01 |
| 7544459 | Process for producing a toner | Yoshinobu Ishikawa, Nobumichi Kamiyoshi | 2009-06-09 |
| 7521166 | Process for preparing toner for electrophotography | Yoshinobu Ishikawa, Nobumichi Kamiyoshi | 2009-04-21 |
| 6905805 | Nonmagnetic black toner | Jun Shimizu | 2005-06-14 |
| 6855470 | Nonmagnetic black toner | Yoshihiro Ueno | 2005-02-15 |
| 6660442 | Nonmagnetic black toner for reversal development | Akihiro Eida, Koji Shimokusa, Jun Shimizu | 2003-12-09 |
| 6350551 | Yellow toner | Eiji Shirai | 2002-02-26 |
| 6183928 | Toner for full color development | Eiji Shirai | 2001-02-06 |
| 6106986 | Color toner | Eiji Shirai, Toshihiro Hattori, Hironobu Nagasaki, Yoshifumi Tokuhisa | 2000-08-22 |
| 5908727 | Binder and toner for developing electrostatic image containing the same | Hiroyuki Kawaji, Yasuhiro Hidaka | 1999-06-01 |
| 5714294 | Toner for electrophotography and reinforcing agent for said toner | Masayuki Maruta, Jun Shimizu, Yasuhiro Hidaka | 1998-02-03 |