KS

Kazuko Sakuma

Canon: 6 patents #8,497 of 19,416Top 45%
Overall (All Time): #838,340 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9921499 Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine pigment Kaname Watariguchi, Shoma Hinata, Tsutomu Nishida, Jumpei Kuno, Hirofumi Kumoi +4 more 2018-03-20
9817326 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Yuki Yamamoto, Atsushi Fujii, Atsushi Okuda, Yuka Ishiduka, Kazunori Noguchi +2 more 2017-11-14
9811008 Image forming method, process cartridge, and electrophotographic apparatus Kazunori Noguchi, Yuka Ishiduka, Yuki Yamamoto, Atsushi Okuda, Akihiro Maruyama +2 more 2017-11-07
9726992 Electrophotographic photosensitive member, manufacturing method of electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Yuka Ishiduka, Atsushi Okuda, Kazunori Noguchi, Yuki Yamamoto, Atsushi Fujii +2 more 2017-08-08
9599917 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Atsushi Okuda, Nobuhiro Nakamura, Kazunori Noguchi, Akihiro Maruyama, Atsushi Fujii +3 more 2017-03-21
9581920 Coating film-removing method for cylindrical substrate and manufacturing method for electrophotographic photosensitive member Nobuhiro Nakamura, Takahisa Taniguchi, Tatsuya Yamaai, Atsushi Fujii, Akihiro Maruyama +4 more 2017-02-28