HM

Hiroki Masu

Canon: 13 patents #5,080 of 19,416Top 30%
Overall (All Time): #380,132 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10416588 Charging member, process cartridge, electrophotographic image forming apparatus, and method for manufacturing charging member Kazuhiro Yamauchi, Yuichi Kikuchi, Masaki Tsunoda, Takumi Furukawa 2019-09-17
10078286 Charging member, process cartridge and electrophotographic apparatus Kineo Takeno, Hiroshi Mayuzumi, Masataka Kodama, Noriyuki Doi, Kenichi Yamauchi +1 more 2018-09-18
10036971 Charging member, process cartridge, and electrophotographic image forming apparatus Noriyuki Doi, Kineo Takeno, Noriko Suzumura, Hiroshi Mayuzumi, Masataka Kodama +1 more 2018-07-31
9921513 Charging member, process cartridge, and electrophotographic apparatus Noriyuki Doi, Kineo Takeno 2018-03-20
9897931 Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus Satoru Nishioka, Kazuhiro Yamauchi, Kenichi Yamauchi, Noriko Suzumura 2018-02-20
9740133 Charging member, process cartridge and electrophotographic image forming apparatus Kenichi Yamauchi, Kazuhiro Yamauchi, Satoru Nishioka, Noriko Suzumura 2017-08-22
9556359 Method of producing member for electrophotography Noriko Suzumura, Noriyuki Doi, Masataka Kodama, Masahiro Kurachi, Noriaki Kuroda 2017-01-31
9442408 Member for electrophotography, method for producing the same, and image forming apparatus Kazuhiro Yamauchi, Kenichi Yamauchi, Satoru Nishioka, Noriko Suzumura 2016-09-13
9442451 Electroconductive member for electrophotography, process cartridge, and electrophotographic image-forming apparatus Kazuhiro Yamauchi, Satoru Nishioka, Kenichi Yamauchi, Noriko Suzumura 2016-09-13
9360789 Member for electrophotography, process cartridge and image forming apparatus Kazuhiro Yamauchi, Satoru Nishioka, Kenichi Yamauchi, Noriko Suzumura 2016-06-07
9081321 Charging member and electrophotographic apparatus Masataka Kodama, Taichi Sato, Noriko Suzumura, Noriyuki Doi, Masahiro Kurachi +1 more 2015-07-14
8526857 Charging member, process for its production, process cartridge and electrophotographic apparatus Yuya Tomomizu, Noriaki Kuroda, Masataka Kodama, Noriko Suzumura 2013-09-03
8503911 Charging member and method of producing the member, process cartridge, and electrophotographic image-forming apparatus Noriko Suzumura, Noriaki Kuroda, Masataka Kodama, Yuya Tomomizu 2013-08-06