MO

Masami Okamoto

Ricoh Company: 51 patents #217 of 9,818Top 3%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
UN Unitika: 2 patents #136 of 620Top 25%
TC Teijin Seiki Co.: 2 patents #43 of 143Top 35%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
FC Fuji Photo Optical Co.: 1 patents #305 of 509Top 60%
TL Teijin Chemicals Limited: 1 patents #80 of 196Top 45%
AC Aisin Takaoka Co.: 1 patents #59 of 172Top 35%
TK Toyo Boseki Kabushiki Kaisha: 1 patents #541 of 1,085Top 50%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #37,004 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 26–50 of 62 patents

Patent #TitleCo-InventorsDate
7885569 Heater, fixing unit and image forming apparatus operable with a main and auxiliary power supply unit Kazuhito Kishi, Yasuhisa Kato, Yasutada Tsukioka, Hiromasa Takagi, Susumu Matsusaka +1 more 2011-02-08
7683297 Electric power supply control device, heating device and fixing device Kazuhito Kishi 2010-03-23
7609988 Heater, fixing unit and image forming apparatus having power supplied from chargeable auxiliary power supplying unit varied per unit time Kazuhito Kishi, Yasuhisa Kato, Yasutada Tsukioka, Hiromasa Takagi, Susumu Matsusaka +1 more 2009-10-27
7603049 Image formation apparatus and associated method of storing power Kazuhito Kishi, Susumu Matsusaka, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +1 more 2009-10-13
7565087 Fixing device, image forming apparatus including the fixing device, and fixing method Susumu Matsusaka, Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +2 more 2009-07-21
7551869 Fixing device, image forming apparatus including the fixing device, and fixing method Kazuhito Kishi, Susumu Matsusaka, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +2 more 2009-06-23
7515845 Method for supplying power, and fixing and image forming apparatuses Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Hiromasa Takagi, Yasutada Tsukioka +3 more 2009-04-07
7496309 Image forming apparatus with auxiliary power source Susumu Matsusaka, Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +1 more 2009-02-24
7463841 Heating device, fuser device, and image forming apparatus including power supply devices for supplying power to a heating unit 2008-12-09
7449510 Biodegradable polyester resin composition, process for producing the same and foamed article and molded article using the same Kazue Ueda, Fumio Matsuoka, Akinobu Ogami, Tatsuya Matsumoto, Takuma Yano +2 more 2008-11-11
7373094 Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensor Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka, Hiromasa Takagi 2008-05-13
7366432 Fixing device for fixing an image, image forming apparatus including the fixing device, and fixing method Kazuhito Kishi, Susumu Matsusaka, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +2 more 2008-04-29
7359653 Fixing device, image forming apparatus including the fixing device, and fixing method 2008-04-15
7356270 Fixing device, image forming apparatus including the fixing device, and fixing method Susumu Matsusaka, Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +2 more 2008-04-08
7343113 Fixing device, image forming apparatus including the fixing device, and fixing method Susumu Matsusaka, Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +2 more 2008-03-11
7333743 Fixing device, image forming apparatus including the fixing device, and fixing method Kazuhito Kishi, Susumu Matsusaka, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +2 more 2008-02-19
7308216 Image forming apparatus and method to supply power to a fixing device Kazuhito Kishi, Susumu Matsusaka, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +2 more 2007-12-11
7239821 Image forming apparatus including a heating unit Susumu Matsusaka, Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +1 more 2007-07-03
7212758 Image-forming apparatus Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka, Hiromasa Takagi 2007-05-01
7212759 Heating device, fixing device and image forming apparatus Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka, Hiromasa Takagi 2007-05-01
7209675 Image forming apparatus Susumu Matsusaka, Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka +1 more 2007-04-24
7173080 Biodegradable resin composition for molding and object molded or formed from the same Kazunobu Yamada, Kazue Ueda, Akinobu Ogami, Fumio Matsuoka, Shigeru Hayase +2 more 2007-02-06
7130555 Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensor Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka, Hiromasa Takagi 2006-10-31
7116923 Fuser provided with auxiliary power supply device to operate with varying power Kazuhito Kishi, Yasuhisa Kato, Akiyasu Amita, Yasutada Tsukioka, Hiromasa Takagi 2006-10-03
7098263 Thermoplastic resin composition, molded article, and process for producing the same Masaki Mitsunaga, Katsuhiko Hironaka 2006-08-29