Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10751707 | Exhaust unit and image forming apparatus | Yasuhiro Shibai, TOMOYA TSUTSUMINO | 2020-08-25 |
| 8232033 | Toner, method of manufacturing toner, developer, two-component developer, developing device, and image forming apparatus | Yoritaka Tsubaki, Yasuo Imura | 2012-07-31 |
| 8168363 | Toner and producing method thereof, developer, two-component developer, developing device and image forming apparatus | Yasuo Imura, Yoritaka Tsubaki, Saori Yamada | 2012-05-01 |
| 8148040 | Toner and method of manufacturing the same, two-component developer, developing device, and image forming apparatus | Yoshinori Yamamoto, Saori Yamada, Yoshiaki Akazawa | 2012-04-03 |
| 8129085 | Toner, method of manufacturing the same, two-component developer, developing device, and image forming apparatus | Yoshinori Yamamoto, Yoshiaki Akazawa | 2012-03-06 |
| 7974818 | Solidification analysis method and apparatus | Kazunari Sakurai | 2011-07-05 |
| 7820351 | Non-magnetic toner, two-component developer, and image forming apparatus | Masao Suzuki, Yoshiaki Akazawa, Satoshi Ogawa, Yoshinori Yamamoto | 2010-10-26 |
| 7620351 | Developing device and image forming device | Toshio Nishino, Syohji Tomita, Takeshi Wakabayashi, Hiroshi Ishii | 2009-11-17 |
| 7524600 | Electrophotographic toner | Tomoko Toizumi, Yoshiaki Akazawa, Satoshi Ogawa, Masao Suzuki, Akio Matsumoto +6 more | 2009-04-28 |
| 7421216 | Development method with controlled toner density | Syohji Tomita, Hiroshi Ishii | 2008-09-02 |
| 7406280 | Magnet roller developing device and image forming apparatus for reducing obstructions in developer circulation path | Syohji Tomita, Toshio Nishino, Takeshi Wakabayashi, Hiroshi Ishii | 2008-07-29 |
| 7366447 | Image forming apparatus having non-contact charging roller | Takashi Mukai, Syohji Tomita, Atsuyuki Katoh, Hiroshi Ishii, Yoshinobu Okumura | 2008-04-29 |
| 7167665 | Foreign material removing system, method of removing foreign material, printing apparatus and printing method | Syohji Tomita, Atsuyuki Katoh, Takashi Mukai, Hiroshi Ishii | 2007-01-23 |
| 6571474 | Method of fabricating a recording head of electrostatic attraction type image recording apparatus | Norihiro Ochi, Hisashi Yoshimura | 2003-06-03 |
| 6511157 | Ink jet printerhead with a plurality of nozzles and two distinct groups of filters | Hisashi Yoshimura, Hajime Horinaka, Masaharu Kimura, Kohji Tsurui | 2003-01-28 |
| 6102538 | Ink jet recording method of transferring an image formed on an intermediate transfer element onto a recording medium | Norihiro Ochi, Hisashi Yoshimura, Kohji Tsurui, Hajime Horinaka | 2000-08-15 |
| 6091435 | Recording head of electrostatic attraction type image recording apparatus that can reliably prevent damage of needle-like member | Norihiro Ochi, Hisashi Yoshimura | 2000-07-18 |
| 6030076 | Ink jet dyeing apparatus | Hisashi Yoshimura, Hajime Horinaka, Yoshinobu Okumura, Norihiro Ochi, Michihiro Yamashita | 2000-02-29 |
| 5992977 | Opto-thermal conversion recording apparatus | Hajime Horinaka, Hisashi Yoshimura, Masaharu Kimura, Kohji Tsurui | 1999-11-30 |
| 5988799 | Ink-jet head having ink chamber and non-ink chamber divided by structural element subjected to freckling deformation | Shingo Abe, Tetsuya Inui, Hirotsugu Matoba, Susumu Hirata, Masaharu Kimura +2 more | 1999-11-23 |
| 5926199 | Thermal head with buckling exothermic resistor and manufacturing method thereof | Hirotsugu Matoba, Susumu Hirata, Yorishige Ishii, Shingo Abe, Tetsuya Inui | 1999-07-20 |
| 5838413 | Method for distributing spacer particles onto the substrate of a liquid crystal display element, a jig plate and distributing apparatus for distribution therewith | Hirotsugu Matoba, Susumu Hirata, Yorishige Ishii, Shingo Abe, Tetsuya Inui | 1998-11-17 |
| 5825383 | Ink jet head compact and allowing ink to be discharged with great force by using deformable structure | Shingo Abe, Tetsuya Inui, Hirotsugu Matoba, Susumu Hirata, Masaharu Kimura +2 more | 1998-10-20 |
| 5804083 | Method of forming a microstructure | Yorishige Ishii, Tetsuya Inui, Hirotsugu Matoba, Susumu Hirata, Masaharu Kimura +2 more | 1998-09-08 |
| 5760799 | Ink jet printer and method of adjusting the same | Tetsuya Inui, Hirotsugu Matoba, Susumu Hirata, Yorishige Ishii, Shingo Abe +2 more | 1998-06-02 |