P

Inventor

NAKAZAWA TORU

JP58 patents
⚠️ This page may combine multiple inventors who share the name “NAKAZAWA TORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITA INDUSTRIAL CO LTD

16 patents
US5087544AFeb 11, 1992

Perylene electrophotosensitive material with m-phenylenediamine

MITA INDUSTRIAL CO LTD7 citations73
US5059503AOct 22, 1991

Electrophotosensitive material with combination of charge transfer materials

MITA INDUSTRIAL CO LTD19 citations73
US4469769ASep 4, 1984

Photosensitive material for electrophotography contains halo-benzoquinone sensitizer

MITA INDUSTRIAL CO LTD15 citations73
US5153088AOct 6, 1992

Electrophotosensitive material with x-type metal free phthalocyanine and perylene compound

MITA INDUSTRIAL CO LTD9 citations72
US4619523AOct 28, 1986

Toner cleaning apparatus in electrophotography

MITA INDUSTRIAL CO LTD19 citations71
US4226928AOct 7, 1980

Laminated photosensitive material for electrophotography

MITA INDUSTRIAL CO LTD13 citations71
US4214907AJul 29, 1980

Photosensitive material for electrophotography having a polyvinyl carbazole derivative, phthalocyanine, and an electron-acceptor

MITA INDUSTRIAL CO LTD13 citations71
US5186477AFeb 16, 1993

Drum chucking device

MITA INDUSTRIAL CO LTD10 citations70
US4419429ADec 6, 1983

Sensitized electrophotographic photosensitive composition

MITA INDUSTRIAL CO LTD5 citations63
US4260238AApr 7, 1981

Transfer type electrostatic copying apparatus

MITA INDUSTRIAL CO LTD4 citations63
US4447514AMay 8, 1984

Organic photosensitive material for electrophotography comprising polyvinylcarbazole and pyrene or phenanthrene

MITA INDUSTRIAL CO LTD2 citations62
US4424269AJan 3, 1984

Electrophotographic CdS or CdSSe with ozone deterioration inhibitor

MITA INDUSTRIAL CO LTD2 citations62
US4413047ANov 1, 1983

Cadmium photoconductor with (dialkylpyrophosphato) organic titanate additive

MITA INDUSTRIAL CO LTD3 citations62
US4574114AMar 4, 1986

Photosensitive composition for electrophotography having polyvinyl carbazole and silicone oil

MITA INDUSTRIAL CO LTD4 citations59
US4600668AJul 15, 1986

Electrophotographic process

MITA INDUSTRIAL CO LTD1 citations52
US4413046ANov 1, 1983

Disazo photoconductor with nitrophthalic anhydride sensitizer

MITA INDUSTRIAL CO LTD0 citations52

SEIKO EPSON CORP

10 patents

CANON KK

6 patents

ALPS ELECTRIC CO LTD

5 patents

NAKAZAWA TORU

3 patents

UNIV TOKYO

2 patents

UNIV TOHOKU

2 patents

NEC CORP

1 patent

POLAROID CORP

1 patent

MITSUBISHI PAPER MILLS LTD

1 patent

SQUARE ENIX KK

1 patent

TOHOKU TECHNO ARCH CO LTD

1 patent

MASSACHUSETTS EYE & EAR INFIRMARY

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.