SO

Satoshi Otomura

Ricoh Company: 6 patents #3,275 of 9,818Top 35%
Overall (All Time): #894,025 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4942104 Flexible electrophotographic photoconductor having a polysulfone curl prevention layer Ryouichi Kitajima 1990-07-17
4764442 Dual layer electrode used with electrophotographic photoconductor Hideki Akiyoshi 1988-08-16
4740441 Electrophotographic photoconductor having an Ni, Fe, or, Co-based alloy material as the electroconductive layer 1988-04-26
4702979 Method of forming image Narihito Kojima 1987-10-27
4379820 Electrophotographic photoconductor of halogen-doped Se-Te alloy layers Hitoshi Nakamura, Hideyo Nishizima, Hideaki Ema, Makoto Harigaya 1983-04-12
4191568 Photosensitive material for electrophotography with dye containing overlayer Hideaki Ema, Chikara Imai, Kiyoshi Sakai 1980-03-04