TU

Toshiyuki Ugai

Canon: 3 patents #264 of 2,200Top 15%
Overall (1997): #10,029 of 185,788Top 6%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5698354 Image-forming method and image-forming apparatus Tatsuya Nakamura 1997-12-16
5670288 Carrier for electrophotography, two-component type developer, and image forming method Kenji Okado, Ryoichi Fujita, Makoto Kanbayashi, Tsuyoshi Takiguchi, Yasuhiro Ichikawa +1 more 1997-09-23
5637432 Toner for developing electrostatic image comprising titanium oxide particles Kenji Okado, Ryoichi Fujita, Tsuyoshi Takiguchi, Yasuhiro Ichikawa 1997-06-10