HM

Hiroomi Matsuzaki

Canon: 66 patents #378 of 19,416Top 2%
Overall (All Time): #32,548 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 26–50 of 66 patents

Patent #TitleCo-InventorsDate
9494890 Developing cartridge, process cartridge and image forming apparatus Noriyuki Komatsu, Yoshiyuki Batori, Toshiaki Takeuchi, Daisuke Makiguchi, Takatoshi Hamada +3 more 2016-11-15
9417556 Cartridge and image forming apparatus Akira Suzuki, Shogo Satomura, Tetsuo Uesugi 2016-08-16
9383678 Developer accommodating container, process cartridge and image forming apparatus Masaki Furutani, Kojiro Yasui, Koji Yamaguchi 2016-07-05
9360831 Developing unit, process cartridge and image forming apparatus Kojiro Yasui, Junichi Matsumura, Masatomi Yoshida 2016-06-07
9304439 Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus Junichi Matsumura, Kazuki Matsumoto, Tatsuo Fujisaki, Kojiro Yasui 2016-04-05
9291942 Developer accommodating unit, process cartridge and image forming apparatus Kojiro Yasui, Koji Yamaguchi, Masaaki Matsushita 2016-03-22
9213263 Flexible developer accommodating container with unsealable openings Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani 2015-12-15
9207581 Developer accommodating unit, developing device, process cartridge and image forming apparatus Koji Wada, Takashi Kase, Takayuki Kanazawa, Yusuke Usui, Masaki Furutani +5 more 2015-12-08
9188906 Cartridge, developing cartridge, process cartridge and image forming apparatus Yoshiyuki Batori, Toshiaki Takeuchi, Ryuta Murakami, Daisuke Makiguchi, Junichi Matsumura +1 more 2015-11-17
9152081 Developer accommodating container, process cartridge, electrophotographic image forming apparatus Kojiro Yasui, Koji Yamaguchi, Masaaki Matsushita, Tatsuo Fujisaki, Masaki Furutani 2015-10-06
9146500 Developer accommodating unit Tetsuo Uesugi, Masaki Furutani, Kojiro Yasui 2015-09-29
9058011 Cleaning device, developing device, cartridge, cleaning blade securing method, and developing blade securing method Akira Suzuki 2015-06-16
8867955 Developer accommodating unit, process cartridge and electrophotographic image forming apparatus Koji Yamaguchi, Masaakii Matsushita, Junichi Matsumura 2014-10-21
8824918 Developer accommodating unit, process cartridge, electrophotographic image forming apparatus Yosuke Kashiide, Junichi Matsumura, Masaki Furutani, Masaaki Matsushita, Tetsuo Uesugi +3 more 2014-09-02
8285189 Cleaning device, developing device, cartridge, cleaning blade securing method, and developing blade securing method Akira Suzuki 2012-10-09
8073377 Cleaning device, developing device, cartridge, cleaning blade securing method, and developing blade securing method Akira Suzuki 2011-12-06
7412193 Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method Masaaki Sato, Shigeo Miyabe, Shinjiro Toba 2008-08-12
7349657 Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method Masaaki Sato, Shigeo Miyabe, Shinjiro Toba 2008-03-25
7224925 Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method Masaaki Sato, Shigeo Miyabe, Shinjiro Toba 2007-05-29
6934485 Process cartridge, electrophotographic image forming apparatus and fixing method of electrical contact part Shigeo Miyabe, Akira Suzuki, Kazuo Chadani, Daisuke Abe 2005-08-23
6931226 Process cartridge remanufacturing method Kazuo Chadani, Shigeo Miyabe, Akira Suzuki 2005-08-16
6795666 Remanufacturing method for process cartridge Shigeo Miyabe, Akira Suzuki, Kazuo Chadani 2004-09-21
6792229 Process cartridge, electrophotographic image forming apparatus and cartridge mounting method 2004-09-14
6549736 Process cartridge, engaging member therefor and method for mounting developing roller and magnet Shigeo Miyabe, Akira Suzuki, Shinjiro Toba 2003-04-15
D460980 Image forming apparatus Nobuhiro Takeuchi 2002-07-30