UT

Umi Tosaka

Canon: 2 patents #12,681 of 19,416Top 70%
Overall (All Time): #2,372,120 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4298669 Electrophotographic process and apparatus Giichi Marushima, Hiroshi Tanaka, Shinkichi Takahashi, Takao Komiyu 1981-11-03
4203764 Polyester or polyurethane coated electrostatic image holding member Hideyo Kondo, Keiichi Murai, Hitoshi Toma 1980-05-20