P

Inventor

OZAWA HIROSHI

JP71 patents
⚠️ This page may combine multiple inventors who share the name “OZAWA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI TOATSU CHEMICALS

18 patents
US4707425ANov 17, 1987

Optical recording method and media therefor

MITSUI TOATSU CHEMICALS62 citations96
US4719613AJan 12, 1988

Optical recording medium having a reflective recording layer including a resinous binder and a naphthalocyanine dye

MITSUI TOATSU CHEMICALS32 citations92
US4048136ASep 13, 1977

Metallic tone powder coating composition

MITSUI TOATSU CHEMICALS48 citations92
US4042645AAug 16, 1977

Process for producing thermosetting finishing powders

MITSUI TOATSU CHEMICALS33 citations89
US3954898AMay 4, 1976

Powder coating of epoxy resin, acrylic copolymer and tertiary amine

MITSUI TOATSU CHEMICALS33 citations89
US4798781AJan 17, 1989

Fabrication process of optical recording medium

MITSUI TOATSU CHEMICALS23 citations82
US4766054AAug 23, 1988

Optical recording medium

MITSUI TOATSU CHEMICALS20 citations82
US5480947AJan 2, 1996

Diguanamines and preparation process, derivatives and use thereof

MITSUI TOATSU CHEMICALS13 citations80
US4139672AFeb 13, 1979

Process for forming a coating having a metallic finish

MITSUI TOATSU CHEMICALS27 citations80
US4859569AAug 22, 1989

Optical recording medium

MITSUI TOATSU CHEMICALS5 citations73
US4142018AFeb 27, 1979

Process for forming metallic finish coatings

MITSUI TOATSU CHEMICALS15 citations73
US5536795AJul 16, 1996

Diguanamines and preparation process, derivatives and use thereof

MITSUI TOATSU CHEMICALS4 citations72
US4202805AMay 13, 1980

Coating resin composition

MITSUI TOATSU CHEMICALS7 citations72
US5545702AAug 13, 1996

Diguanamines and preparation process, derivatives and use thereof

MITSUI TOATSU CHEMICALS7 citations71
US4455360AJun 19, 1984

Electrophotographic toner comprising cinnamic acid

MITSUI TOATSU CHEMICALS8 citations70
US4770975ASep 13, 1988

Optical recording medium

MITSUI TOATSU CHEMICALS2 citations62
US5596039AJan 21, 1997

Diguanamines and preparation process, derivatives and use thereof

MITSUI TOATSU CHEMICALS4 citations61
US4405671ASep 20, 1983

Optical information recording disk

MITSUI TOATSU CHEMICALS4 citations59

SANWA KAGAKU KENKYUSHO CO

6 patents

KURARAY CO

6 patents

OZAWA HIROSHI

3 patents

HITACHI LTD

3 patents

HIROSE ELECTRIC CO LTD

3 patents

MINOLTA CAMERA KK

3 patents

SUBARU CORP

2 patents

FUJI HEAVY IND LTD

1 patent

NHK SPRING CO LTD

1 patent

FUJI PHOTO FILM CO LTD

1 patent

DAINIPPON INK & CHEMICALS

1 patent

SUGA TEST INSTRUMENTS

1 patent

FUJITSU LTD

1 patent

Showing the top 50 of 71 patents by PatentIndex Score.