AA

Akiyasu Amita

Ricoh Company: 47 patents #255 of 9,818Top 3%
Overall (All Time): #59,850 of 4,157,543Top 2%
47
Patents All Time

Issued Patents All Time

Showing 26–47 of 47 patents

Patent #TitleCo-InventorsDate
7925177 Image fixing apparatus stably controlling a fixing temperature, and image forming apparatus using the same Kenji Ishii, Ken Omura, Kenichi Hasegawa, Hiroshi Yokoyama, Satoshi Ueno 2011-04-12
7885569 Heater, fixing unit and image forming apparatus operable with a main and auxiliary power supply unit Kazuhito Kishi, Yasuhisa Kato, Masami Okamoto, Yasutada Tsukioka, Hiromasa Takagi +1 more 2011-02-08
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, Masami Okamoto, Yasutada Tsukioka, Hiromasa Takagi +1 more 2009-10-27
7603049 Image formation apparatus and associated method of storing power Kazuhito Kishi, Susumu Matsusaka, Yasuhisa Kato, Masami Okamoto, 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, Masami Okamoto, 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, Masami Okamoto, Yasutada Tsukioka +2 more 2009-06-23
7515845 Method for supplying power, and fixing and image forming apparatuses Kazuhito Kishi, Yasuhisa Kato, Masami Okamoto, Hiromasa Takagi, Yasutada Tsukioka +3 more 2009-04-07
7496309 Image forming apparatus with auxiliary power source Susumu Matsusaka, Kazuhito Kishi, Yasuhisa Kato, Masami Okamoto, Yasutada Tsukioka +1 more 2009-02-24
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, Masami Okamoto, 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, Masami Okamoto, Yasutada Tsukioka +2 more 2008-04-29
7356270 Fixing device, image forming apparatus including the fixing device, and fixing method Susumu Matsusaka, Kazuhito Kishi, Yasuhisa Kato, Masami Okamoto, 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, Masami Okamoto, 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, Masami Okamoto, 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, Masami Okamoto, Yasutada Tsukioka +2 more 2007-12-11
7239821 Image forming apparatus including a heating unit Susumu Matsusaka, Kazuhito Kishi, Yasuhisa Kato, Masami Okamoto, Yasutada Tsukioka +1 more 2007-07-03
7212758 Image-forming apparatus Kazuhito Kishi, Yasuhisa Kato, Masami Okamoto, Yasutada Tsukioka, Hiromasa Takagi 2007-05-01
7212759 Heating device, fixing device and image forming apparatus Kazuhito Kishi, Yasuhisa Kato, Masami Okamoto, Yasutada Tsukioka, Hiromasa Takagi 2007-05-01
7209675 Image forming apparatus Susumu Matsusaka, Kazuhito Kishi, Yasuhisa Kato, Masami Okamoto, Yasutada Tsukioka +1 more 2007-04-24
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, Masami Okamoto, Yasutada Tsukioka, Hiromasa Takagi 2006-10-31
7116923 Fuser provided with auxiliary power supply device to operate with varying power Kazuhito Kishi, Yasuhisa Kato, Masami Okamoto, Yasutada Tsukioka, Hiromasa Takagi 2006-10-03
7054570 Image-forming apparatus Kazuhito Kishi, Yasuhisa Kato, Masami Okamoto, Yasutada Tsukioka, Hiromasa Takagi 2006-05-30
6813464 Fixing device with a peeler and biasing devices and image forming apparatus including the same Kenji Ishii 2004-11-02