HK

Hirofumi Kumoi

Canon: 2 patents #987 of 3,938Top 30%
📍 Soma, JP: #26 of 79 inventorsTop 35%
Overall (2016): #138,509 of 481,213Top 30%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9274442 Electrophotographic image forming apparatus having charge transport layer with matrix-domain structure and charging member having concavity and protrusion Taichi Sato, Tomohito Taniguchi, Noboru Miyagawa, Takehiko Aoyama, Atsushi Uematsu +6 more 2016-03-01
9229342 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Takashi Anezaki, Kazuhisa Shida, Masashi Nishi, Daisuke Tanaka, Kazumichi Sugiyama 2016-01-05