Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5994016 | Dry developer for developing electrostatic latent image | Mitsuo Aoki, Masakazu Yashiro, Akira Oyamaguchi, Hiroshi Sugimoto | 1999-11-30 |
| 5887233 | Photographic developing apparatus and electrifying apparatus | Jun Abe, Noriaki Yamazaki, Akihiko Noda, Shota Oba | 1999-03-23 |
| 5851716 | Electrophotographic image forming method and toner composition used therefor | Masami Tomita, Hiroyuki Fushimi | 1998-12-22 |
| 5759733 | Liquid developer for electrostatic electrophotography | Kazuo Tsubuko, Toshiki Nanya, Kazuhiko Umemura, Kayoko Nagai | 1998-06-02 |
| 5753400 | Method for repeatedly using image holding member | Youichi Asaba, Kiyoshi Tanikawa, Yoshiaki Miyashita, Satoshi Shinguryo, Sadao Takahashi +3 more | 1998-05-19 |
| 5750299 | Method of forming colored image by use of inorganic toner, inorganic toner for developing latent electrostatic image, and colored toner image bearing image transfer medium | Kouchi Ohshima, Hiromitsu Kawase, Yoichiro Watanabe, Takamichi Enomoto, Masanaga Imamura +2 more | 1998-05-12 |
| 5605777 | Method and apparatus for regenerating image holding member | Kazuhiro Ando, Yoshiaki Miyashita, Youichi Asaba, Kiyoshi Tanikawa, Satoshi Singuryo +6 more | 1997-02-25 |
| 5574538 | Method and apparatus for removing image forming substance from image holding member forming processing situation mark | Yasuhiro Takahashi, Yoshiaki Miyashita, Satoshi Shinguryou, Youichi Asaba, Kiyoshi Tanikawa +4 more | 1996-11-12 |
| 5554478 | Electrophotographic dry toner | Yoshihisa Okamoto, Yasuo Asahina, Michio Izumi, Hidefumi Gohhara, Chiharu Mochizuki +3 more | 1996-09-10 |
| 5547793 | Method for using image support regeneratively and tool for forming image on image support | Sadao Takahashi, Yoshiyuki Kimura, Kazuhiro Ando, Tadashi Saito, Youichi Asaba +3 more | 1996-08-20 |
| 5474869 | Toner and method of developing | Masami Tomita, Kohichi Katoh, Tomoe Hagiwara, Koji Suzuki, Shigekazu Enoki +2 more | 1995-12-12 |
| 5403690 | Developer for developing latent electrostatic images | Yasuo Asahina, Michio Izumi, Yoshihisa Okamoto, Hiroaki Matsuda, Hidefumi Gohhara +2 more | 1995-04-04 |
| 5370959 | Image formation method | Tomoe Hagiwara, Motoi Orihara | 1994-12-06 |
| 5328794 | Fluorine-containing graft copolymer and toner using the same | Tsubuko Kazuo, Kazuhiko Umemura, Toshihiko Takahashi, Hidemi Uematsu | 1994-07-12 |
| 5189102 | Method for producing a vinyl resin using a silicon oil solvent | Kazuo Tsubuko, Kazuhiko Umemura, Hidemi Uematsu | 1993-02-23 |
| 5169739 | Liquid developer for image fixing method using heat application rollers | Kazuhiko Umemura, Kazuo Tsubuko, Toshihiko Takahashi, Hidemi Uematsu | 1992-12-08 |
| 5061587 | Toner for electrophotography including fluorine contained graft copolymer | Kazuo Tsubuko, Kazuhiko Umemura, Hidemi Uematsu | 1991-10-29 |
| 5026621 | Toner for electrophotography | Kazuo Tsubuko, Kazuhiko Umemura, Makoto Ohkawara | 1991-06-25 |
| 4957842 | Liquid developer for electrostatic latent images using flushed pigments | Toshiyuki Fukase, Yoshihiro Sugiyama, Hazime Takanashi, Kazuo Tsubuko | 1990-09-18 |
| 4925763 | Developer for electrophotography containing ionomer resin | Kazuo Tsubuko, Kiyoshi Sakai | 1990-05-15 |
| 4860050 | Developing replenisher material for use in image forming device | Tsuneo Kurotori, Manabu Mochizuki, Kenzo Ariyama, Yoshihiro Sugiyama, Hajime Takanashi +3 more | 1989-08-22 |
| 4764447 | Non-aqueous type resin dispersion and electrophotographic developer containing said resin | Kazuo Tsubuko, Kayoko Nagai, Makoto Okawara, Hajime Takanashi | 1988-08-16 |
| 4618558 | Liquid developer for use in electrostatic photography | Hajime Takanashi | 1986-10-21 |
| 4388395 | Liquid developer for use in electrophotography | Kazuo Tsubuko, Junichiro Hashimoto, Makoto Okawara | 1983-06-14 |