MT

Masami Tomita

Ricoh Company: 105 patents #33 of 9,818Top 1%
SO Sony: 23 patents #1,718 of 25,231Top 7%
SH Shimadzu: 12 patents #102 of 2,007Top 6%
Mitsubishi Electric: 6 patents #4,940 of 25,717Top 20%
Canon: 5 patents #9,253 of 19,416Top 50%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
Overall (All Time): #6,052 of 4,157,543Top 1%
152
Patents All Time

Issued Patents All Time

Showing 51–75 of 152 patents

Patent #TitleCo-InventorsDate
7430377 Image forming apparatus and process cartridge having a detachable unit body having a lubricant applying unit and image carrier mounted thereon Toshio Koike, Ken Amemiya, Naohiro Kumagai, Masato Yanagida, Masanori Kawasumi +8 more 2008-09-30
7429442 Toner, and two component developer and image forming apparatus using the toner Takahiro Honda, Toshiki Nanya, Fumihiro Sasaki, Shigeru Emoto, Hiroto Higuchi +5 more 2008-09-30
7419756 Dry toner, method for manufacturing the same, image forming apparatus, and image forming method Hiroshi Yamashita, Chiaki Tanaka, Tsunemi Sugiyama, Hiroshi Yamada, Kazuhito Watanabe +1 more 2008-09-02
7400844 Image forming apparatus and process cartridge with a cleaner for removing toner from an image bearing member Eisaku Murakami, Hiroyuki Nagashima, Masato Yanagida, Naohiro Kumagai, Takeshi Shintani +4 more 2008-07-15
7396630 Toner, developer including the toner, and method for fixing toner image Yohichiroh Watanabe, Masanori Suzuki, Tsunemi Sugiyama, Hiroshi Yamashita, Takuya Saito +6 more 2008-07-08
7386257 Imaging apparatus, and toner and process cartridge used in the imaging apparatus Toshio Koike, Eisaku Murakami, Masato Yanagida, Takeshi Shintani, Naohiro Kumagai +4 more 2008-06-10
7384720 Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the same Tadao Takikawa, Tomoyuki Ichikawa, Fumihiro Sasaki, Toshiki Nanya, Hiroto Higuchi +4 more 2008-06-10
7378213 Image forming process and image forming apparatus Hiroaki Matsuda 2008-05-27
7374851 Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method Shinya Nakayama, Satoshi Mochizuki, Yasuaki Iwamoto, Yasuo Asahina, Akihiro Kotsugai +17 more 2008-05-20
7373101 Method and apparatus for image forming and effectively applying lubricant to an image bearing member Yoshiki Hozumi, Toshio Koike, Ken Amemiya, Masanori Kawasumi, Yuji Arai +5 more 2008-05-13
7337654 Method of forming a needle for auto-sampler Yoshiaki Maeda 2008-03-04
7333744 Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage Eiji Shimojo, Haruji Mizuishi, Tokuya Ojimi, Masanori Kawasumi, Takuzi Yoneda +6 more 2008-02-19
7323281 Toner, developer including the toner, container containing the toner or the developer and method of producing the toner Shigeru Emoto, Shinichiro Yagi, Naohito Shimota, Maiko Kondo, Fumihiro Sasaki +3 more 2008-01-29
7318989 Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method Akihiro Kotsugai, Satoshi Mochizuki, Hisashi Nakajima, Yasuo Asahina, Osamu Uchinokura +8 more 2008-01-15
7313353 Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit Masahiko Satoh, Setsuo Soga, Takahiro Yoshikawa, Toshiharu Hachisuka, Yasuhiro Kohira +3 more 2007-12-25
7313347 Cleaning device, process cartridge, image forming apparatus and toner Takeshi Shintani, Takuzi Yoneda, Ken Amemiya, Takaaki Tawada, Tokuya Ojimi +12 more 2007-12-25
7303847 Dry toner Toshiki Nanya, Shigeru Emoto, Shinichiro Yagi, Hiroshi Yamada, Naohiro Watanabe +1 more 2007-12-04
7299003 Fixing unit and image forming apparatus providing a quick start-up and reduction in energy consumption Shigeo Kurotaka, Katsuhiro Echigo, Takashi Fujita, Toshihiko Baba, Hisashi Kikuchi +4 more 2007-11-20
7295756 Signal reproducing method and apparatus, signal recording/reproducing method and apparatus and signal recording medium Takao Takahashi, Masashi Ohta, Toshiya Akiba, Taro Suito 2007-11-13
7294443 Toner composition and method for manufacturing the toner composition Hiroshi Yamashita, Kazuhito Watanabe, Chiaki Tanaka, Tsunemi Sugiyama, Shigeru Emoto 2007-11-13
7295796 Image forming apparatus having a temporary toner holding device and a toner collecting device Eisaku Murakami, Hideo Yoshizawa, Hiroyuki Nagashima, Yoshiyuki Kimura, Hideki Zemba +8 more 2007-11-13
7292816 Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatus Tokuya Ojimi, Toshio Koike, Takaaki Tawada, Takeshi Shintani, Yuji Arai +4 more 2007-11-06
7272354 Cleaning unit and image forming apparatus having multiple cleaning blades Eisaku Murakami, Masanori Kawasumi, Toshio Koike, Naohiro Kumagai, Atsushi Sampe +11 more 2007-09-18
7266324 Charging device, and process cartridge and image forming apparatus using the charging device Masato Yanagida, Hiroyuki Nagashima, Naohiro Kumagai, Toshio Koike, Atsushi Sampe +5 more 2007-09-04
7241545 Toner, developer using the same, toner container using the same, process cartridge using the same, image-forming process using the same and image-forming apparatus using the same Toshiki Nanya, Shigeru Emoto, Shinichiro Yagi, Naohiro Watanabe, Tadao Takikawa 2007-07-10