Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8871861 | Silicone compound, photocurable liquid ink using the silicone compound, and method of manufacturing the ink | Soh Noguchi, Tetsurou Sasamoto, Takeshi Hihara, Tsuneo Kurotori | 2014-10-28 |
| 8383314 | Photocurable liquid developer, method for producing the same, developing device and image forming apparatus | Tsuneo Kurotori | 2013-02-26 |
| 7556902 | Aromatic polyester resin, and electrophotographic photoconductor and image forming apparatus using thereof | — | 2009-07-07 |
| 7452640 | Electrophotographic photoconductor for liquid development, image forming apparatus having the same, and image forming method | Masaomi Sasaki, Akio Kojima | 2008-11-18 |
| 7348113 | Electrophotographic photoconductor comprising a polycarbonate resin having a dihydroxy diphenyl ether unit | Yuko KOMAI, Hiroshi Tamura, Masaomi Sasaki | 2008-03-25 |
| 7309552 | Electrophotographic photoconductor, electrophotography, electrophotographic apparatus, process cartridge for electrophotographic apparatus and azo compound | Yuko Arizumi | 2007-12-18 |
| 7175958 | Electrophotographic photoconductor, process for forming an image, image forming apparatus and process cartridge for the same | Yuuko Komai, Hongguo Li, Masaomi Sasaki | 2007-02-13 |
| 6849367 | Electrophotographic photoconductor, process for forming an image, image forming apparatus and a process cartridge for the same | Yuuko Komai, Hongguo Li, Masaomi Sasaki | 2005-02-01 |
| 6544701 | REACTION PRODUCT, PROCESS FOR THE PRODUCTION THEREOF, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR USING THE REACTION PRODUCT, ELECTROPHOTOGRAPHIC APPARATUS USING THE PHOTOCONDUCTOR, AND PROCESS CARTRIDGE FOR ELECTROPHOTOGRAPHIC APPARATUS | Kaoru Tadokoro, Michihiko Namba, Tomoyuki Shimada, Chiaki Tanaka | 2003-04-08 |
| 6524761 | Mixture of titanyltetraazaporphyrin compounds and electrophotographic photoconductor using the same | Tomoyuki Shimada, Kaoru Tadokoro, Chiaki Tanaka, Michihiko Namba | 2003-02-25 |
| 6465648 | REACTION PRODUCT, PROCESS OF PRODUCING SAME, ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR USING SAME, ELECTROPHOTOGRAPHIC APPARATUS HAVING THE PHOTOCONDUCTOR, AND PROCESS CARTRIDGE FOR ELECTROPHOTOGRAPHIC APPARATUS | Kaoru Tadokoro, Michihiko Namba, Tomoyuki Shimada, Chiaki Tanaka | 2002-10-15 |
| 6313288 | Mixture of titanyltetraazaporphyrin compounds and electrophotographic photoconductor using the same | Tomoyuki Shimada, Kaoru Tadokoro, Chiaki Tanaka, Michihiko Namba | 2001-11-06 |
| 6074792 | Tetraazaporphyrin pigment for use in electrophotographic photoconductor and electrophotographic photoconductor using the same | Michihiko Namba, Kaoru Tadokoro | 2000-06-13 |
| 6068956 | Electrophotographic photoconductor | Michihiko Namba, Kaoru Tadokoro | 2000-05-30 |
| 5942362 | Electrophotographic photoconductor | Kaoru Tadokoro, Michihiko Namba | 1999-08-24 |
| 5750762 | Cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound | Megumi Kawahara, Ikuko Yamada, Akio Kojima | 1998-05-12 |
| 5700614 | cyclopentadiene derivative compounds and electrophotographic photoconductor comprising one cyclopentadiene derivative compound | Megumi Kawahara, Ikuko Yamada, Akio Kojima | 1997-12-23 |
| 5618935 | Tricyclic pyrazine compound and electrophotographic photoconductor comprising the same | Yumi Ichikawa, Kaoru Teramura, Masayuki Koyano, Megumi Kawahara | 1997-04-08 |
| 5492784 | Positively-chargeable single-layered type electrophotographic photoconductor | Masao Yoshikawa, Tetsuro Suzuki, Masakatsu Shimoda, Kaoru Teramura, Megumi Kawahara +3 more | 1996-02-20 |
| 5486438 | Electrophotographic photoconductor | Masakatsu Shimoda, Akiko Konishi, Megumi Kawahara, Akio Kojima, Tetsuro Suzuki +1 more | 1996-01-23 |
| 5460909 | Pyrazine compound and electrophotographic photoconductor comprising the same | Yumi Ichikawa, Kaoru Teramura, Masayuki Koyano, Megumi Kawahara | 1995-10-24 |
| 5387487 | Electrophotographic photoconductor | Masakatsu Shimoda, Masahiro Taniucchi, Akio Kojima, Masao Yoshikawa, Tetsuro Suzuki | 1995-02-07 |
| 5350653 | Electrophotographic photoconductor | Masakatsu Shimoda, Akiko Konishi, Megumi Kawahara, Akio Kojima, Tetsuro Suzuki +1 more | 1994-09-27 |
| 5314997 | Optically active azo compound, producing method thereof, and liquid crystal composition containing said compound | Akihiko Kanemoto | 1994-05-24 |
| 5310503 | Stilbene compound, intermediate for producing the stilbene compound, method of producing the stilbene compound, and liquid crystal composition containing the stilbene compound | — | 1994-05-10 |