IK

Isao Koishi

Canon: 54 patents #619 of 19,416Top 4%
Overall (All Time): #46,895 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 51–54 of 54 patents

Patent #TitleCo-InventorsDate
7158749 Cleaning device, process cartridge, cleaning member and electrophotographic image forming apparatus Takahito Ueno, Atsushi Numagami 2007-01-02
7139502 Process cartridge and electrophotographic image forming apparatus Akiyoshi Fujita, Takahito Ueno 2006-11-21
7072601 Process cartridge, method of assembling process cartridge, and connecting member Masaki Kakitani 2006-07-04
7003247 Electrophotographic photosensitive drum, process cartridge, and electrophotographic image forming apparatus Atsushi Numagami, Takahito Ueno 2006-02-21