P

Inventor

HIRAI HIROYUKI

JP116 patents
⚠️ This page may combine multiple inventors who share the name “HIRAI HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJI PHOTO FILM CO LTD

36 patents
US6853013B2Feb 8, 2005

Light-emitting element and method of producing the same

FUJI PHOTO FILM CO LTD68 citations98
US6576352B2Jun 10, 2003

Color-converting film and light-emitting apparatus using the same

FUJI PHOTO FILM CO LTD28 citations93
US4775613AOct 4, 1988

Heat-developable light-sensitive material

FUJI PHOTO FILM CO LTD26 citations93
US4761361AAug 2, 1988

Method for forming an image employing acetylene silver compounds

FUJI PHOTO FILM CO LTD30 citations93
US4514493AApr 30, 1985

Heat-developable light-sensitive material with base precursor particles

FUJI PHOTO FILM CO LTD29 citations93
US4414305ANov 8, 1983

Image-forming method

FUJI PHOTO FILM CO LTD31 citations93
US4880725ANov 14, 1989

Color image forming process utilizing substantially water-insoluble basic metal compounds and complexing compounds

FUJI PHOTO FILM CO LTD26 citations92
US4469780ASep 4, 1984

Color image forming process

FUJI PHOTO FILM CO LTD29 citations92
US6607845B2Aug 19, 2003

Optical recording medium and optical recording method

FUJI PHOTO FILM CO LTD17 citations84
US6355393B1Mar 12, 2002

Image-forming method and organic light-emitting element for a light source for exposure used therein

FUJI PHOTO FILM CO LTD16 citations84
US5776643AJul 7, 1998

Light-sensitive material for color filter and process for producing color filter using the same

FUJI PHOTO FILM CO LTD17 citations84
US4740445AApr 26, 1988

Image forming process

FUJI PHOTO FILM CO LTD23 citations82
US4529687AJul 16, 1985

Method to form color image

FUJI PHOTO FILM CO LTD23 citations82
US4499180AFeb 12, 1985

Heat-developable color photographic materials with base precursor

FUJI PHOTO FILM CO LTD24 citations82
US4473631ASep 25, 1984

Heat-developable color photographic material

FUJI PHOTO FILM CO LTD23 citations82
US4207157AJun 10, 1980

Method for controlling halogen ion concentration in a photographic processing solution

FUJI PHOTO FILM CO LTD15 citations80
US5800953ASep 1, 1998

Method for producing color filter using a silver halide color photosensitive material

FUJI PHOTO FILM CO LTD7 citations74
US5725990AMar 10, 1998

Image formation method

FUJI PHOTO FILM CO LTD13 citations74
US5677104AOct 14, 1997

Image formation method

FUJI PHOTO FILM CO LTD12 citations74
US5571663ANov 5, 1996

Silver halide light-sensitive material and color filter

FUJI PHOTO FILM CO LTD9 citations74
US5206131AApr 27, 1993

Diffusion transfer type silver halide color photosensitive materials

FUJI PHOTO FILM CO LTD19 citations74
US5164277ANov 17, 1992

Light-sensitive material containing silver halide, reducing agent and polymerizable compound

FUJI PHOTO FILM CO LTD7 citations74
US4880723ANov 14, 1989

Photographic silver halide photosensitive material

FUJI PHOTO FILM CO LTD7 citations74
US4876171AOct 24, 1989

Silver salt diffusion transfer with complexing compound

FUJI PHOTO FILM CO LTD13 citations74
US4820622AApr 11, 1989

Heat development image forming method

FUJI PHOTO FILM CO LTD11 citations74
US4791048ADec 13, 1988

Color image forming process utilizing substantially water-insoluble basic metal compounds and complexing compounds

FUJI PHOTO FILM CO LTD10 citations74
US4782004ANov 1, 1988

Method for developing a heat-developable photosensitive material comprising a dye providing compounds and an auxiliary developing agent

FUJI PHOTO FILM CO LTD15 citations74
US4772544ASep 20, 1988

Heat-developable photographic material

FUJI PHOTO FILM CO LTD10 citations74
US4745043AMay 17, 1988

Heat development method for forming an image using intensifying agents

FUJI PHOTO FILM CO LTD7 citations74
US4740363AApr 26, 1988

Alkali generating process

FUJI PHOTO FILM CO LTD15 citations74
US4731321AMar 15, 1988

Heat developable light-sensitive material

FUJI PHOTO FILM CO LTD15 citations74
US4705737ANov 10, 1987

Heat developable photographic materials

FUJI PHOTO FILM CO LTD8 citations74
US4668612AMay 26, 1987

Heat-developable color photosensitive material

FUJI PHOTO FILM CO LTD8 citations74
US4629684ADec 16, 1986

Heat developable color photographic light-sensitive material with development accelerator

FUJI PHOTO FILM CO LTD10 citations74
US4603103AJul 29, 1986

Heat-developable light-sensitive materials

FUJI PHOTO FILM CO LTD11 citations74
US4590154AMay 20, 1986

Heat developable color photographic light-sensitive material containing sulfonamide

FUJI PHOTO FILM CO LTD13 citations74

DAINIPPON PRINTING CO LTD

3 patents

ASAHI GLASS CO LTD

3 patents

UMEDA KENICHI

1 patent

DAINIPPON SCREEN MFG

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

BML INC

1 patent

HIRAI HIROYUKI

1 patent

D T CIRCUIT TECHNOLOGY CO LTD

1 patent

TOSHIBA KK

1 patent

FUJIFILM CORP

1 patent

Showing the top 50 of 116 patents by PatentIndex Score.