WK

Wataru Kawata

Canon: 34 patents #1,468 of 19,416Top 8%
Overall (All Time): #103,795 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
8520265 Engraving processing apparatus and image forming apparatus Hideaki Kosasa, Masahiko Yokota, Toshiro Tomono, Ryuichi Kojima, Akihiro Shimizu +1 more 2013-08-27
8113499 Sheet processing apparatus and image forming apparatus provided with the same Hideki Kushida, Taro Ikeda, Hiroaki Takagishi, Kenichi Hayashi, Tomokazu Nakamura +1 more 2012-02-14
7980542 Sheet processing apparatus and image forming apparatus Masahiko Yokota, Hideaki Kosasa, Akihiro Shimizu, Shoji Takeda, Toshiro Tomono +1 more 2011-07-19
7926800 Sheet processing apparatus and image forming apparatus Atsuteru Oikawa, Kenichi Hayashi, Kenichi Tamura, Takashi Sugiura, Hitoshi Kato +2 more 2011-04-19
7891647 Sheet processing apparatus and image forming system Yoshimitsu Nakane, Yuji Yamanaka, Seiichiro Adachi 2011-02-22
7841589 Image forming apparatus 2010-11-30
7762537 Sheet processing apparatus and method Hitoshi Kato, Keiko Fujita, Youichi Chikugo 2010-07-27
7762540 Sheet processing apparatus and image forming apparatus provided with the same Hideki Kushida, Taro Ikeda, Hiroaki Takagishi, Kenichi Hayashi, Tomokazu Nakamura +1 more 2010-07-27
7758032 Sheet processing apparatus and image forming apparatus Masahiko Yokota, Hideaki Kosasa, Akihiro Shimizu, Shoji Takeda, Toshiro Tomono +1 more 2010-07-20
7654512 Image forming system, image forming method and image forming apparatus Akihiro Sato 2010-02-02
7618033 Sheet processing apparatus and image forming apparatus Keiko Fujita, Hitoshi Kato, Youichi Chikugo 2009-11-17
7597311 Sheet processing apparatus and image forming apparatus provided therewith and sheet processing method Hitoshi Kato, Keiko Fujita, Youichi Chikugo 2009-10-06
7578497 Sheet processing apparatus and image forming apparatus equipped with the same Taro Ikeda, Hiroaki Takagishi, Kenichi Hayashi, Tomokazu Nakamura, Hideki Kushida +1 more 2009-08-25
7530560 Sheet processing apparatus and image forming apparatus provided with the same Hideki Kushida, Taro Ikeda, Hiroaki Takagishi, Kenichi Hayashi, Tomokazu Nakamura +1 more 2009-05-12
7451970 Sheet feeding device with plural sheet feeding means feeding in opposite directions to sheet post-processing system 2008-11-18
7429037 Sheet processing apparatus and image forming apparatus equipped with the same Taro Ikeda, Hiroaki Takagishi, Kenichi Hayashi, Tomokazu Nakamura, Hideki Kushida +1 more 2008-09-30
7410156 Sheet processing apparatus and image forming apparatus equipped with the same Taro Ikeda, Hiroaki Takagishi, Kenichi Hayashi, Tomokazu Nakamura, Hideki Kushida +1 more 2008-08-12
7318584 Sheet processing apparatus and image forming apparatus Hitoshi Kato 2008-01-15
7288059 Sheet processing apparatus and image forming apparatus equipped with the same Taro Ikeda, Hiroaki Takagishi, Kenichi Hayashi, Tomokazu Nakamura, Hideki Kushida +1 more 2007-10-30
7080830 Sheet processing apparatus with multiple conveying units Toshimasa Suzuki 2006-07-25
7020430 Image forming apparatus with reversing section for selective sheet reversal and sheet inserter Toshihiko Kudo 2006-03-28
7011306 Sheet processing unit and image forming apparatus Hitoshi Kato 2006-03-14
6976672 Sheet feeding device with plural sheet feeding means feeding in opposite directions to sheet post-processing system 2005-12-20
6908078 Sheet processing with sheet inserting device Toshimasa Suzuki 2005-06-21
6823154 Image forming apparatus Hiroto Koga 2004-11-23