KM

Kazuki Matsumoto

Canon: 28 patents #2,044 of 19,416Top 15%
KT Kabushiki Kaisha Toshiba: 23 patents #1,224 of 21,451Top 6%
SE Seiko Epson: 14 patents #1,343 of 7,774Top 20%
TO Toyota: 12 patents #2,357 of 26,838Top 9%
Ricoh Company: 8 patents #2,692 of 9,818Top 30%
Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
NC Nambu Co.: 1 patents #3 of 8Top 40%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
IBM: 1 patents #44,794 of 70,183Top 65%
Overall (All Time): #17,475 of 4,157,543Top 1%
91
Patents All Time

Issued Patents All Time

Showing 26–50 of 91 patents

Patent #TitleCo-InventorsDate
10859971 Cartridge, process cartridge, and image forming apparatus Hiroki Shimizu, Osamu Anan 2020-12-08
10838353 Developing apparatus Tsukasa Abe, Kazutaka Sueshige 2020-11-17
10747172 Cartridge, process cartridge, and image forming apparatus Hiroki Shimizu, Osamu Anan 2020-08-18
10656593 Cartridge, process cartridge, and image forming apparatus Hiroki Shimizu, Osamu Anan 2020-05-19
10635046 Cartridge, process cartridge, and image forming apparatus Hiroki Shimizu, Osamu Anan 2020-04-28
10558142 Powder storage container and image forming apparatus Emi Kita, Kenji Nakamura, Minoru Toyoda 2020-02-11
10496013 Developing device, process cartridge, and image forming apparatus Tomohiro Kubota, Naoki Nakatake, Minoru Toyoda, Kenji Nakamura 2019-12-03
10423117 Cleaning apparatus and process cartridge Toshiaki Takeuchi, Ryoji Kusudo, Hiroki Shimizu 2019-09-24
10416608 Cartridge, process cartridge, and image forming apparatus Hiroki Shimizu, Osamu Anan 2019-09-17
10310416 Seal member, unit, and image forming apparatus Hiraku Sasaki, Hiroomi Matsuzaki 2019-06-04
10162289 Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus Hiroomi Matsuzaki, Junichi Matsumura, Tatsuo Fujisaki, Kojiro Yasui 2018-12-25
10152021 Cartridge that reduces contact with photosensitive member Osamu Anan, Hiroki Shimizu 2018-12-11
10120330 Multicolor molded component having a bearing portion that engages with regulation portions and cartridge having the same Shogo Satomura 2018-11-06
10114336 Cartridge mountable to image forming apparatus Hiroki Shimizu, Osamu Anan 2018-10-30
10001727 Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatus Hiroomi Matsuzaki, Junichi Matsumura, Tatsuo Fujisaki, Kojiro Yasui 2018-06-19
9996052 Cartridge capable of being inserted in an apparatus main body of an image forming apparatus Hiroki Shimizu, Osamu Anan 2018-06-12
9958806 Developing device and image forming apparatus incorporating same Masato Tsuji, Tetsumaru Fujita, Yuji Nagatomo, Mitsutoshi Kichise, Yutaro Kaku 2018-05-01
9772601 Image forming apparatus and process unit Mitsutoshi Kichise, Takeshi Yamashita, Emi Kita, Naoki Nakatake, Takeshi Sakashita +1 more 2017-09-26
9753207 Light guide plate, surface light source device, transmissive display device Eiji Asano, Daijirou Kodama, Keiko Kitano 2017-09-05
9733607 Toner conveyance device and image forming apparatus Naoki Nakatake, Emi Kita, Mitsutoshi Kichise 2017-08-15
9599930 Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatus Hiroomi Matsuzaki, Junichi Matsumura, 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
9304439 Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus Hiroomi Matsuzaki, Junichi Matsumura, Tatsuo Fujisaki, Kojiro Yasui 2016-04-05
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
9069289 Developer container, developing cartridge, process cartridge and image forming apparatus Yoshiyuki Batori, Toshiaki Takeuchi, Ryuta Murakami, Daisuke Makiguchi, Junichi Matsumura +1 more 2015-06-30