P

Inventor

ONO HITOSHI

JP69 patents
⚠️ This page may combine multiple inventors who share the name “ONO HITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI CHEM IND

16 patents
US4664997AMay 12, 1987

Crystalline oxytitanium phthalocyanine and photoreceptor for use in electrophotography

MITSUBISHI CHEM IND52 citations96
US4618555AOct 21, 1986

Electrophotographic photoreceptor comprising azo compounds

MITSUBISHI CHEM IND65 citations94
US5080991AJan 14, 1992

Electrophotographic photoreceptor with a hydrazone

MITSUBISHI CHEM IND35 citations92
US4725519AFeb 16, 1988

Dual layer electrophotographic photoreceptor comprises titanium phthalocyanine charge generator and hydrazone charge transport materials

MITSUBISHI CHEM IND34 citations92
US5104749AApr 14, 1992

Organic electroluminescent device

MITSUBISHI CHEM IND45 citations91
US5059355AOct 22, 1991

Process for preparation of crystalline oxytitanium phthalocyanine

MITSUBISHI CHEM IND28 citations91
US5200288AApr 6, 1993

Electrostatic developing toner with hydroxyaromatic carboxylic acid additive

MITSUBISHI CHEM IND19 citations80
US4873164AOct 10, 1989

Electrophotographic photoreceptor comprising a charge transport medium and a bis-azo compound containing oxygen

MITSUBISHI CHEM IND8 citations74
US4324455AApr 13, 1982

Liquid crystal composition

MITSUBISHI CHEM IND9 citations74
US5385799AJan 31, 1995

Toner for development of electrostatic image

MITSUBISHI CHEM IND8 citations73
US5324605AJun 28, 1994

Electrophotographic plate with an arylamine-containing photosensitive layer

MITSUBISHI CHEM IND11 citations73
US5168025ADec 1, 1992

Electrophotographic photoreceptor

MITSUBISHI CHEM IND7 citations73
US5166030ANov 24, 1992

Electrostatic image-developing toner containing a quaternary ammonium charge controlling agent

MITSUBISHI CHEM IND8 citations73
US4485160ANov 27, 1984

Electrophotographic hydrazone plate

MITSUBISHI CHEM IND9 citations73
US5284728AFeb 8, 1994

Electrophotographic photoreceptor containing hydrazone compounds

MITSUBISHI CHEM IND10 citations72
US5389481AFeb 14, 1995

Electrophotographic photoreceptor

MITSUBISHI CHEM IND16 citations71

NISSAN MOTOR

12 patents

MITSUBA ELECTRIC MFG CO

4 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

3 patents

MITSUBISHI CHEM CORP

3 patents

SHARP KK

2 patents

3M INNOVATIVE PROPERTIES CO

2 patents

FUJITSU LTD

1 patent

MITSUBA CORP

1 patent

SANYO ELECTRIC CO

1 patent

ONO HITOSHI

1 patent

NIHON SENSHOKU KIKAI KABUSHIKI

1 patent

HITACHI LTD

1 patent

CALSONIC KANSEI CORP

1 patent

NIPPON STEEL CORP

1 patent

Showing the top 50 of 69 patents by PatentIndex Score.