Inventor
MIYAMOTO EIICHI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “MIYAMOTO EIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITA INDUSTRIAL CO LTD
20 patentsUS5994012ANov 30, 1999
Naphthoquinone derivative and electrophotosensitive material using same
MITA INDUSTRIAL CO LTD19 citations92
US5863688AJan 26, 1999
Naphthoquinone derivative
MITA INDUSTRIAL CO LTD26 citations92
US4971877ANov 20, 1990
α-type titanyl phthalocyanine composition, method for production thereof, and electrophotographic sensitive material using same
MITA INDUSTRIAL CO LTD24 citations91
US4877702AOct 31, 1989
Electrophotographic sensitive material
MITA INDUSTRIAL CO LTD28 citations90
US5213923AMay 25, 1993
Photosensitive material for electrophotography comprising a charge transport layer comprising an organopolysilane and diphenoquinone
MITA INDUSTRIAL CO LTD19 citations82
US5106536AApr 21, 1992
α-type titanyl phthalocyanine composition, method for production thereof, and electrophotographic sensitive material using same
MITA INDUSTRIAL CO LTD15 citations80
US5826153AOct 20, 1998
Image-forming machine
MITA INDUSTRIAL CO LTD7 citations74
US5830615ANov 3, 1998
Naphthylenediamine derivative and electrophotosensitive material using the same
MITA INDUSTRIAL CO LTD8 citations73
US5521044AMay 28, 1996
Electrophotosensitive material
MITA INDUSTRIAL CO LTD10 citations73
US5424157AJun 13, 1995
Electrophotosensitive material containing disazo compound as charge-generating agent
MITA INDUSTRIAL CO LTD10 citations73
US5223364AJun 29, 1993
Electrophotographic photoconductor and a method for preparing the same
MITA INDUSTRIAL CO LTD8 citations73
US5851712ADec 22, 1998
Electrophotosensitive material
MITA INDUSTRIAL CO LTD9 citations72
US5750308AMay 12, 1998
Electrophotographic developing method using developing bias voltage based on light decay characteristics of photosensitive material
MITA INDUSTRIAL CO LTD7 citations72
US5168026ADec 1, 1992
Bis-azo compound and electrophotographic photosensitive member with a light receiving layer containing said bis-azo compound
MITA INDUSTRIAL CO LTD6 citations63
US5843606ADec 1, 1998
Phenanthrylenediamine derivative
MITA INDUSTRIAL CO LTD2 citations62
US5767315AJun 16, 1998
Naphthylenediamine derivative
MITA INDUSTRIAL CO LTD3 citations62
US5336576AAug 9, 1994
Electrophotographic photosensitive member having a photosensitive layer comprising the azo compound
MITA INDUSTRIAL CO LTD3 citations62
US5914208AJun 22, 1999
Electrophotographic photosensitive material
MITA INDUSTRIAL CO LTD1 citations51
US5274084ADec 28, 1993
Bisazo compounds which contain a diphenoquinone tetraazo component and an electrophotographic photosensitive member having a photosensitive layer comprising the bisazo compound
MITA INDUSTRIAL CO LTD1 citations51
US5288576AFeb 22, 1994
Electrophotographic member having an azo compound with diphenoquinone
MITA INDUSTRIAL CO LTD0 citations41
KYOCERA DOCUMENT SOLUTIONS INC
9 patentsUS8980507B2Mar 17, 2015
Positively chargeable monolayer electrophotographic photosensitive member and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC5 citations71
US9690217B2Jun 27, 2017
Triarylamine derivative, electrophotographic photosensitive member, and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC1 citations51
US9684253B2Jun 20, 2017
Triphenylamine derivative, electrophotographic photosensitive member, and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US9541849B2Jan 10, 2017
Positively chargeable single-layer electrophotographic photosensitive member and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations51
US10884346B2Jan 5, 2021
Electrophotographic photosensitive member, process cartridge, and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations50
US10809638B2Oct 20, 2020
Electrophotographic photosensitive member
KYOCERA DOCUMENT SOLUTIONS INC0 citations42
US10761440B2Sep 1, 2020
Electrophotographic photosensitive member, process cartridge, and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations40
US10078276B2Sep 18, 2018
Positively chargeable single-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations39
US9785062B2Oct 10, 2017
Positively chargeable single-layer electrophotographic photosensitive member, process cartridge, and image forming apparatus
KYOCERA DOCUMENT SOLUTIONS INC0 citations39
KYOCERA MITA CORP
7 patentsUS6593047B2Jul 15, 2003
Single-layer type electrophotosensitive material
KYOCERA MITA CORP18 citations83
US6153344ANov 28, 2000
Positive charging single-layer type electrophotosensitive material
KYOCERA MITA CORP7 citations73
US6573017B2Jun 3, 2003
Single-layer type electrophotosensitive material
KYOCERA MITA CORP6 citations72
US7029811B2Apr 18, 2006
Electrophotographic photoreceptor
KYOCERA MITA CORP5 citations63
US7057034B2Jun 6, 2006
Titanyl phthalocyanine crystal and production method of the same, and electrophotosensitive material
KYOCERA MITA CORP5 citations61
US7555241B2Jun 30, 2009
Image forming device using a single-layer-type electrophotographic photoconductor and image forming method using the same
KYOCERA MITA CORP4 citations60
US6489071B2Dec 3, 2002
Electrophotosensitive material
KYOCERA MITA CORP0 citations37