Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7670742 | Recording material, toner, liquid developer and image forming method using the same | Tsuyoshi Asami, Aiko Yamazaki | 2010-03-02 |
| 7122287 | Electrophotographic liquid developer, image forming method and apparatus using the electrophotographic liquid developer | Tsuyoshi Asami, Aiko Ishikawa | 2006-10-17 |
| 6939655 | Liquid recording material | Tsuyoshi Asami, Aiko Ishikawa | 2005-09-06 |
| 6692881 | Recording liquid and image forming method using the recording liquid | Tsuyoshi Asami, Aiko Ishikawa | 2004-02-17 |
| 6620569 | Liquid recording material | Tsuyoshi Asami, Aiko Ishikawa | 2003-09-16 |
| 6522852 | Image forming process using wet developing method | Tuyoshi Asami | 2003-02-18 |
| 6447973 | Liquid developer for developing electrostatic image and image forming method | Tsuyoshi Asami, Aiko Ishikawa, Akihiro Koseki, Takeo Kudoh, Kazuhiko Umemura | 2002-09-10 |
| 6020103 | Liquid developer, method of producing the liquid developer and image formation using the same | Akihiko Gotoh, Tsuyoshi Asami, Yukio Tabata | 2000-02-01 |
| 5952048 | Ink composition and recording method using the same | Nobutaka Kinoshita, Tsuyoshi Asami, Akihiko Gotoh, Kazuhiko Umemura, Kazuyo Mizuno +1 more | 1999-09-14 |
| 5851717 | Developer for use in electrophotography, and image formation method using the same | Akihiko Gotoh, Tsuyoshi Asami, Kazuyo Mizuno, Akihiro Koseki | 1998-12-22 |
| 5759733 | Liquid developer for electrostatic electrophotography | Shinichi Kuramoto, Toshiki Nanya, Kazuhiko Umemura, Kayoko Nagai | 1998-06-02 |
| 5189102 | Method for producing a vinyl resin using a silicon oil solvent | Shinichi Kuramoto, Kazuhiko Umemura, Hidemi Uematsu | 1993-02-23 |
| 5169739 | Liquid developer for image fixing method using heat application rollers | Kazuhiko Umemura, Shinichi Kuramoto, Toshihiko Takahashi, Hidemi Uematsu | 1992-12-08 |
| 5085965 | Negative toner for developing latent electrostatic images | Toshiki Nanya, Kimitoshi Yamaguchi, Toshihiko Takahashi, Hiromitsu Kawase, Makoto Ookawara | 1992-02-04 |
| 5061587 | Toner for electrophotography including fluorine contained graft copolymer | Shinichi Kuramoto, Kazuhiko Umemura, Hidemi Uematsu | 1991-10-29 |
| 5026621 | Toner for electrophotography | Shinichi Kuramoto, Kazuhiko Umemura, Makoto Ohkawara | 1991-06-25 |
| 4957842 | Liquid developer for electrostatic latent images using flushed pigments | Toshiyuki Fukase, Yoshihiro Sugiyama, Hazime Takanashi, Shinichi Kuramoto | 1990-09-18 |
| 4925763 | Developer for electrophotography containing ionomer resin | Shinichi Kuramoto, Kiyoshi Sakai | 1990-05-15 |
| 4855207 | Developer for electrophotography | Kayoko Nagai | 1989-08-08 |
| 4797341 | Liquid developer for electrophotography | — | 1989-01-10 |
| 4764447 | Non-aqueous type resin dispersion and electrophotographic developer containing said resin | Shinichi Kuramoto, Kayoko Nagai, Makoto Okawara, Hajime Takanashi | 1988-08-16 |
| 4690881 | Liquid developer for electrophotography | Kayoko Nagai | 1987-09-01 |
| 4634651 | Non-aqueous type resin and electrophotographic developer containing the same | Makoto Okawara | 1987-01-06 |
| 4595646 | Liquid developer for electrophotography | Junichiro Hashimoto | 1986-06-17 |
| 4388395 | Liquid developer for use in electrophotography | Junichiro Hashimoto, Shinichi Kuramoto, Makoto Okawara | 1983-06-14 |