P

Inventor

IGARASHI AKIRA

JP86 patents
⚠️ This page may combine multiple inventors who share the name “IGARASHI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJI PHOTO FILM CO LTD

28 patents
US4390616AJun 28, 1983

Image recording members

FUJI PHOTO FILM CO LTD91 citations96
US4436920AMar 13, 1984

Image recording members

FUJI PHOTO FILM CO LTD34 citations93
US5244769ASep 14, 1993

Light-sensitive image forming material

FUJI PHOTO FILM CO LTD22 citations92
US4415633ANov 15, 1983

Heat-sensitive recording material

FUJI PHOTO FILM CO LTD39 citations92
US4401717AAug 30, 1983

Heat-sensitive recording material

FUJI PHOTO FILM CO LTD44 citations92
US4888321ADec 19, 1989

Heat-sensitive recording materials

FUJI PHOTO FILM CO LTD22 citations82
US4728633AMar 1, 1988

Recording material

FUJI PHOTO FILM CO LTD22 citations82
US4138357AFeb 6, 1979

Thermochromic material

FUJI PHOTO FILM CO LTD26 citations82
US5492789AFeb 20, 1996

Process for producing microcapsules containing a diazonium salt compound and a photofixation thermal recording material employing the same

FUJI PHOTO FILM CO LTD7 citations74
US5296329AMar 22, 1994

Diazo heat-sensitive recording material

FUJI PHOTO FILM CO LTD10 citations74
US5168029ADec 1, 1992

Multicolor recording material

FUJI PHOTO FILM CO LTD17 citations74
US4885271ADec 5, 1989

Heat-sensitive recording material

FUJI PHOTO FILM CO LTD10 citations74
US4855282AAug 8, 1989

Recording material and method for producing the same

FUJI PHOTO FILM CO LTD16 citations74
US4855278AAug 8, 1989

Heat-sensitive recording material

FUJI PHOTO FILM CO LTD18 citations74
US4822771AApr 18, 1989

Heat-sensitive recording material

FUJI PHOTO FILM CO LTD7 citations74
US4797385AJan 10, 1989

Heat-sensitive recording material

FUJI PHOTO FILM CO LTD8 citations74
US4786629ANov 22, 1988

Heat-sensitive recording material

FUJI PHOTO FILM CO LTD7 citations74
US4644377AFeb 17, 1987

Fluoran derivatives and recording material using the same

FUJI PHOTO FILM CO LTD6 citations74
US4628335ADec 9, 1986

Heat-sensitive recording material

FUJI PHOTO FILM CO LTD15 citations74
US4539578ASep 3, 1985

Heat sensitive recording material

FUJI PHOTO FILM CO LTD8 citations74
US4479138AOct 23, 1984

Heat-sensitive recording materials

FUJI PHOTO FILM CO LTD7 citations74
US4333984AJun 8, 1982

Heat-sensitive recording sheets

FUJI PHOTO FILM CO LTD10 citations74
US4283458AAug 11, 1981

Heat-sensitive recording paper containing a novel electron accepting compound

FUJI PHOTO FILM CO LTD7 citations74
US4255491AMar 10, 1981

Heat-sensitive recording paper

FUJI PHOTO FILM CO LTD18 citations74
US4147830AApr 3, 1979

Recording sheet

FUJI PHOTO FILM CO LTD16 citations74
US4717593AJan 5, 1988

Heat-sensitive recording sheet

FUJI PHOTO FILM CO LTD8 citations73
US4554566ANov 19, 1985

Heat-sensitive recording material

FUJI PHOTO FILM CO LTD8 citations73
US4466007AAug 14, 1984

Heat-sensitive recording paper

FUJI PHOTO FILM CO LTD7 citations73

SOMAR CORP

4 patents

SUMITOMO BAKELITE CO

3 patents

NOHMI BOSAI KOGYO CO LTD

2 patents

MATSUSHITA ELECTRIC WORKS LTD

2 patents

TAKEDA CHEMICAL INDUSTRIES LTD

2 patents

FUJI SYSTEM

1 patent

IGARASHI AKIRA

1 patent

EASTMAN KODAK CO

1 patent

OJI PAPER CO

1 patent

CASIO COMPUTER CO LTD

1 patent

UNIV KYOTO

1 patent

ORTUS TECHNOLOGY CO LTD

1 patent

NOHMI BOSAI LTD

1 patent

MITSUBISHI PETROCHEM ENG

1 patent

Showing the top 50 of 86 patents by PatentIndex Score.