YF

Yuichi Fukui

Canon: 61 patents #452 of 19,416Top 3%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
KL Kanebo, Limited: 1 patents #248 of 571Top 45%
PC Polyplastics Co.: 1 patents #154 of 292Top 55%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
Overall (All Time): #28,211 of 4,157,543Top 1%
71
Patents All Time

Issued Patents All Time

Showing 51–71 of 71 patents

Patent #TitleCo-InventorsDate
9291994 Cartridge and image forming apparatus Kazuhiko Kanno 2016-03-22
9274489 Cartridge with electrode member constituting a conducting path Hiroshi Takarada, Akira Suzuki 2016-03-01
9250607 Image forming apparatus and cartridge Noritomo Yamaguchi, Masaaki Sato 2016-02-02
9188940 Developing device, process cartridge and drum unit Fumito Nonaka, Tachio Kawai, Shunsuke Uratani 2015-11-17
9146526 Unit, cleaning unit, process cartridge, and image forming apparatus Noritomo Yamaguchi, Hiroyuki Munetsugu, Toshiki Fujino, Tetsuya Numata, Fumito Nonaka 2015-09-29
9122235 Process cartridge and image forming apparatus with means to regulate movement of developing unit with respect to drum unit in axial direction of developing roller Noritomo Yamaguchi, Tatsuya Suzuki, Satoshi Nishiya, Masaaki Sato, Yosuke Kashiide 2015-09-01
9052640 Developer accommodating unit, developing device, process cartridge and electrophotographic image forming apparatus Yosuke Kashiide, Noritomo Yamaguchi 2015-06-09
8983335 Process cartridge, developing device and image forming apparatus Masatoshi Yamashita 2015-03-17
8909096 Developing device, process cartridge and drum unit Fumito Nonaka, Tachio Kawai, Shunsuke Uratani 2014-12-09
8879954 Cartridge with member for fixing a member-to-be-energized Fumito Nonaka, Tachio Kawai, Shunsuke Uratani 2014-11-04
8879944 Cartridge having molded resin electrode Hiroshi Takarada, Kuniaki Hirukawa, Akira Suzuki, Nobuharu Hoshi 2014-11-04
6072474 Document processing device Takeshi MORIMURA, Tadashi Watanabe 2000-06-06
6037439 Process for continuous production of polyacetal resin Hajime Serizawa, Kaoru Yamamoto, Kuniaki Kawaguchi, Tsugio Tenda 2000-03-14
5540874 Cellulose solution for shaping and method of shaping the same Teruyuki Yamada, Seiji Hayashi, Kei Murase 1996-07-30
5429871 Reversibly color-changing shaped material and process for producing the same Hajime Itoh, Shigeki Hagura, Itsumi Muraoka 1995-07-04
5264531 Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber prepared therefrom Tsuruyoshi Matsumoto, Hajime Itoh, Takeo Hamazaki, Itsumi Muraoka 1993-11-23
5260131 Water-repellent hygroscopic fiber Shigeki Hagura, Hajime Itoh 1993-11-09
5252396 Reversibly color-changing shaped material and process for producing the same Hajime Itoh, Shigeki Hagura, Itsumi Muraoka 1993-10-12
5234766 Acrylonitrile copolymer, and fiber or core-sheath conjugate fiber prepared therefrom Tsuruyoshi Matsumoto, Hajime Itoh, Takeo Hamazaki, Itsumi Muraoka 1993-08-10
4603042 Method for making carbon fibers Takashi Setsuie, Tadao Kobayashi 1986-07-29
4319269 External appearance inspecting system Toshihiro Kajiura, Norio Oita, Masahiro Mori 1982-03-09