YH

Yasuyoshi Hayakawa

Canon: 44 patents #929 of 19,416Top 5%
Overall (All Time): #68,424 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDate
8262084 Sheet feeding apparatus and image forming apparatus with sheet feeding cassette and associated locking means Kazushi Nishikata, Hisayuki Tomura, Akio Nemoto, Kei Sawanaka, Masato Suzuki 2012-09-11
7913996 Sheet feeding apparatus and image forming apparatus Kazushi Nishikata, Hisayuki Tomura, Akio Nemoto, Kei Sawanaka, Masato Suzuki 2011-03-29
7630681 Sheet processing apparatus and image forming apparatus Takashi Kuwata, Masayoshi Fukatsu, Kenichiro Isobe, Hironobu Ata 2009-12-08
7607651 Sheet processing apparatus and image forming apparatus Takashi Kuwata, Kenichiro Isobe 2009-10-27
7448619 Image processing apparatus Takashi Kuwata, Masanobu Kanoto, Masao Amano, Kazuhide Kudo, Masayoshi Fukatsu 2008-11-11
7386271 Sheet processing apparatus and image forming apparatus Takashi Kuwata, Masayoshi Fukatsu, Kenichiro Isobe, Hironobu Ata 2008-06-10
7341248 Sheet processing apparatus and image forming apparatus Takashi Kuwata, Kenichiro Isobe 2008-03-11
7267338 Image processing apparatus Takashi Kuwata, Masanobu Kanoto, Masao Amano, Kazuhide Kudo, Masayoshi Fukatsu 2007-09-11
7226050 Discharge sheet stacking apparatus and image forming apparatus provided with the same Junichi Sekiyama, Takashi Kuwata, Atsushi Ogata, Kenichiro Isobe, Masayoshi Fukatsu +1 more 2007-06-05
7216863 Sheet processing apparatus above image forming means and image forming apparatus Takashi Kuwata, Kaoru Sato 2007-05-15
7077395 Sheet after-treatment device and image forming apparatus equipped with the device Hironobu Ata, Takashi Kuwata, Kenichiro Isobe, Masayoshi Fukatsu 2006-07-18
7022972 Image reader with a closed-state detector and image forming apparatus using same Masayoshi Fukatsu, Tsuyoshi Waragai, Tomoyuki Araki 2006-04-04
6973285 Discharge sheet stacking apparatus and image forming apparatus provided with the same Junichi Sekiyama, Takashi Kuwata, Atsushi Ogata, Kenichiro Isobe, Masayoshi Fukatsu +1 more 2005-12-06
6942206 Sheet treating apparatus and image forming apparatus having the same Takashi Kuwata, Kenichiro Isobe, Masayoshi Fukatsu, Junichi Sekiyama 2005-09-13
6930805 Image reading apparatus Tomoyuki Araki, Tsuyoshi Waragai, Atsushi Ogata, Masayoshi Fukatsu, Junichi Sekiyama 2005-08-16
6917451 Image reading apparatus Tsuyoshi Waragai, Masayoshi Fukatsu 2005-07-12
6733008 Sheet conveying apparatus, and image forming apparatus and image reading apparatus having the sheet conveying apparatus Tsuyoshi Waragai, Atsushi Ogata 2004-05-11
6735415 Sheet postprocessing apparatus and image forming apparatus Kenichiro Isobe, Takashi Kuwata, Masayoshi Fukatsu, Junichi Sekiyama 2004-05-11
6733007 Sheet material conveying device; image forming apparatus and sheet processing device Junichi Sekiyama, Tomoyuki Araki, Masayoshi Fukatsu 2004-05-11
6722646 Sheet treating apparatus and image forming apparatus Junichi Sekiyama, Takashi Kuwata, Kenichiro Isobe, Masayoshi Fukatsu, Hironobu Ata 2004-04-20
6674976 Sheet post-processing device, image forming apparatus having the device and error handling method therefor Kaoru Sato, Takashi Kuwata, Mitsuhide Takamura 2004-01-06
6661995 Sheet processing apparatus and image forming apparatus provided with the same Kenichiro Isobe, Takashi Kuwata, Masayoshi Fukatsu, Junichi Sekiyama 2003-12-09
6637996 Bookbinding apparatus, adhesive cartridge, and image forming apparatus Tsuyoshi Waragai, Tomoyuki Araki, Atsushi Ogata, Masayoshi Fukatsu, Junichi Sekiyama 2003-10-28
6581922 Sheet processing apparatus above image forming means and image forming apparatus Takashi Kuwata, Kaoru Sato 2003-06-24
6561503 Sheet processing device with stack alignment Atsushi Ogata, Teruo Komatsu, Tsuyoshi Waragai, Tomoyuki Araki, Masayoshi Fukatsu 2003-05-13