Inventor

OKAJI MAKOTO

JP9 patents

Patents

9 patents

US5013623AMay 7, 1991

Electrophotographic photoreceptor with stilbene compound

MITSUBISHI PAPER MILLS LTD26 citations91

US6485658B1Nov 26, 2002

Phthalocyanine, process for producing the same and electrophotographic photoreceptor using the same

MITSUBISHI PAPER MILLS LTD16 citations82

US5041349AAug 20, 1991

Electrophotographic disazo photoreceptor

MITSUBISHI PAPER MILLS LTD7 citations73

US4999269AMar 12, 1991

Electrophotographic photoreceptor with bisazo compound

MITSUBISHI PAPER MILLS LTD12 citations73

US5089366AFeb 18, 1992

Novel hydrazone compound in an electrophotographic receptor

MITSUBISHI PAPER MILLS LTD14 citations72

US6225015B1May 1, 2001

Oxytitanium phthalocyanine process for the production thereof and electrophotographic photoreceptor to which the oxytitanium phthalocyanine is applied

MITSUBISHI PAPER MILLS LTD10 citations71

US5378568AJan 3, 1995

Electrophotographic photoreceptor containing an azo pigment

MITSUBISHI PAPER MILLS LTD3 citations62

US5171651ADec 15, 1992

Electrophotographic photoreceptor with a carrier transport layer containing a hydroquinone compound

MITSUBISHI PAPER MILLS LTD2 citations59

US6503673B2Jan 7, 2003

Phthalocyanine composition, process for production thereof, and electrophotographic photoreceptor

MITSUBISHI PAPER MILLS LTD1 citations50