KO

Keiji Okano

Canon: 4 patents #158 of 2,200Top 8%
Overall (1997): #7,255 of 185,788Top 4%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5682574 Developing apparatus having reciprocating cleaning device for photodetector Haruhisa Oshida, Masahide Kinoshita, Koji Takahashi, Yasushi Shimizu, Akira Domon 1997-10-28
5666606 Image forming apparatus comprising contact type charging member Takahiro Inoue, Kazushige Sakurai, Tadashi Onimura, Kouichi Suwa, Masaki Ojima +3 more 1997-09-09
5649264 Developing unit having optical detection of a residual quantity of developer in a developer container Akira Domon, Masahide Kinoshita, Yasushi Shimizu 1997-07-15
5618647 Magnetic toner and image forming method Tsutomu Kukimoto, Yasuhide Goseki, Motoo Urawa, Masayoshi Shimamura, Keita Nozawa +2 more 1997-04-08