JM

Junichi Matsumura

Canon: 11 patents #26 of 3,938Top 1%
Overall (2016): #5,428 of 481,213Top 2%
11
Patents 2016

Issued Patents 2016

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9529304 Developer accommodating unit, process cartridge, and electrophotographic image forming apparatus Tetsuo Uesugi, Kojiro Yasui, Masaaki Matsushita, Masatomi Yoshida, Hiroomi Matsuzaki +2 more 2016-12-27
9494890 Developing cartridge, process cartridge and image forming apparatus Noriyuki Komatsu, Yoshiyuki Batori, Toshiaki Takeuchi, Daisuke Makiguchi, Takatoshi Hamada +3 more 2016-11-15
9405225 Developer accommodating unit, process cartridge and image forming apparatus Masaaki Matsushita, Tatsuo Fujisaki 2016-08-02
9405224 Developer accommodating container with flexible members forming injection opening Masaki Furutani 2016-08-02
9360831 Developing unit, process cartridge and image forming apparatus Hiroomi Matsuzaki, Kojiro Yasui, Masatomi Yoshida 2016-06-07
9310717 Developer accommodating container, developing device, process cartridge and image forming apparatus Tomonori Matsunaga, Tetsuo Uesugi 2016-04-12
9304441 Developer accommodating container, developer accommodating unit, process cartridge and image forming apparatus Masaaki Matsushita, Koji Yamaguchi, Masatomi Yoshida 2016-04-05
9304439 Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus Hiroomi Matsuzaki, Kazuki Matsumoto, Tatsuo Fujisaki, Kojiro Yasui 2016-04-05
9302801 Developer accommodating unit, manufacturing method thereof, process cartridge and image forming apparatus Masaaki Matsushita, Koji Yamaguchi, Tetsuo Uesugi, Tatsuo Fujisaki, Kojiro Yasui +1 more 2016-04-05
9285707 Developer accommodating unit with a urging member for urging a flexible member Masaaki Matsushita, Koji Yamaguchi, Masatomi Yoshida 2016-03-15
9250567 Developer container for detecting developer amount based on capacitance, developing apparatus, process cartridge, and image forming apparatus Taku Watanabe, Masahito Kato, Go Shindo, Atsushi Toda, Katsuichi Abe +3 more 2016-02-02