Inventor
ONUMA SHIGEHARU
JP5 patents
Patents
5 patentsUS5204202AApr 20, 1993
Electrophotographic photosensitive element comprising a protective layer with a porous surface impregnated with lubricant
HITACHI LTD24 citations90
US5073466ADec 17, 1991
Electrophotographic member containing a fluorine-containing lubricating agent and process for producing the same
HITACHI LTD12 citations72
US4430404AFeb 7, 1984
Electrophotographic photosensitive material having thin amorphous silicon protective layer
HITACHI LTD8 citations72
US4405703ASep 20, 1983
Electrophotographic plate having an age-hardened aluminum substrate and process for producing the same
HITACHI LTD7 citations72
US4791040ADec 13, 1988
Multilayered electrophotographic photosensitive member
HITACHI LTD0 citations48