Inventor
OTSUKA SHIGENORI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “OTSUKA SHIGENORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI CHEM IND
16 patentsUS5247226ASep 21, 1993
Organic electroluminescent device
MITSUBISHI CHEM IND94 citations96
US4664997AMay 12, 1987
Crystalline oxytitanium phthalocyanine and photoreceptor for use in electrophotography
MITSUBISHI CHEM IND52 citations96
US4278747AJul 14, 1981
Electrophotographic plate comprising a conductive substrate and a photosensitive layer containing an organic photoconductor layer composed of a hydrazone compound
MITSUBISHI CHEM IND122 citations95
US4367273AJan 4, 1983
Electrophotographic plate comprising a conductive substrate and a photosensitive layer containing an organic photoconductor layer composed of a hydrazone compound
MITSUBISHI CHEM IND61 citations94
US5120627AJun 9, 1992
Electrophotographic photoreceptor having a dip coated charge transport layer
MITSUBISHI CHEM IND29 citations92
US4725519AFeb 16, 1988
Dual layer electrophotographic photoreceptor comprises titanium phthalocyanine charge generator and hydrazone charge transport materials
MITSUBISHI CHEM IND34 citations92
US5334856AAug 2, 1994
Image readout element with oxytitanium phthalocyanine
MITSUBISHI CHEM IND12 citations73
US5173384ADec 22, 1992
Electrophotographic photoreceptor
MITSUBISHI CHEM IND9 citations73
US5130222AJul 14, 1992
Electrophotographic photoreceptor and use in repeated copying
MITSUBISHI CHEM IND16 citations73
US4184871AJan 22, 1980
Photosensitive composition for electrophotography
MITSUBISHI CHEM IND17 citations73
US5102759AApr 7, 1992
Electrophotographic photoreceptor
MITSUBISHI CHEM IND14 citations72
US5045421ASep 3, 1991
Electrophotographic photoreceptor comprising metal complex charge transport material
MITSUBISHI CHEM IND13 citations72
US4407919AOct 4, 1983
Electrophotographic plate
MITSUBISHI CHEM IND10 citations72
US4752549AJun 21, 1988
Electrophotographic photoreceptor having a protective layer
MITSUBISHI CHEM IND13 citations69
US5360691ANov 1, 1994
Carrier for developing electrostatic latent images, developer, and electrophotographic developing process
MITSUBISHI CHEM IND3 citations57
US5001027AMar 19, 1991
Electrophotographic apparatus and method
MITSUBISHI CHEM IND2 citations55