JM

Junichi Matsumura

Canon: 29 patents #1,943 of 19,416Top 15%
TT The Ritsumeikan Trust: 1 patents #34 of 141Top 25%
TC Toray Engineering Co.: 1 patents #46 of 169Top 30%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
Overall (All Time): #122,009 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12329354 Antitwist mechanism for robotic endoscope camera Benedict Shia, Takahisa Kato 2025-06-17
11584052 Method of producing assembled product and assembling apparatus Akira Suzuki, Toshiteru Yamasaki, Junji Yonemasu, Nobuharu Hoshi, Takashi Konishi 2023-02-21
10802419 Method of manufacturing developer container, developer container, developing apparatus, process cartridge, and image forming apparatus Taku Watanabe, Masahito Kato, Go Shindo, Atsushi Toda, Katsuichi Abe +3 more 2020-10-13
10496035 Image forming apparatus, molded resin product for use with the image forming apparatus, and cartridge Akira Suzuki, Ryoji Kusudo 2019-12-03
10165958 Method for detecting position of signal source in living body, and device for detecting position of signal source in living body Chisa Inaka, Masaaki Makikawa, Yusuke SAKAUE 2019-01-01
10162289 Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus Hiroomi Matsuzaki, Kazuki Matsumoto, Tatsuo Fujisaki, Kojiro Yasui 2018-12-25
10001727 Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatus Hiroomi Matsuzaki, Kazuki Matsumoto, Tatsuo Fujisaki, Kojiro Yasui 2018-06-19
9989888 Method of manufacturing developer container Taku Watanabe, Masahito Kato, Go Shindo, Atsushi Toda, Katsuichi Abe +3 more 2018-06-05
9921544 Image forming apparatus, molded resin product for use with the image forming apparatus, and cartridge Akira Suzuki, Ryoji Kusudo 2018-03-20
9857767 Process cartridge and image forming apparatus Naoya Asanuma, Go Torii, Masahito Kato, Atsushi Toda 2018-01-02
9599930 Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatus Hiroomi Matsuzaki, Kazuki Matsumoto, Tatsuo Fujisaki, Kojiro Yasui 2017-03-21
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
9405224 Developer accommodating container with flexible members forming injection opening Masaki Furutani 2016-08-02
9405225 Developer accommodating unit, process cartridge and image forming apparatus Masaaki Matsushita, Tatsuo Fujisaki 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
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
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
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
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, Hiroomi Matsuzaki +1 more 2015-11-17
9069289 Developer container, developing cartridge, process cartridge and image forming apparatus Yoshiyuki Batori, Toshiaki Takeuchi, Ryuta Murakami, Daisuke Makiguchi, Tatsuo Fujisaki +1 more 2015-06-30