Inventor

Akira Igarashi

Inventor

Shizuoka, JP

Overview

1978–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 86 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B41Mprimary

B41MPrinting, duplicating, marking, or copying processes23%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%

Y10TTechnical subjects covered by former us classification14%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form4%

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices3%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

C01BNon-metallic elements3%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments3%

G03CPhotosensitive materials for photographic purposes3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

PatentTitleYear

10,576,730Method for preparing lithographic printing plates2020 10,025,150Liquid crystal display2018 9,470,977'Composition for lithographic printing plate and lithographic printing plate precursor'2016 9,234,897'Method for distinguishing mesenchymal stem cell using molecular marker and use thereof'2016 9,063,423'Lithographic printing plate precursors and use'2015 8,383,319'Lithographic printing plate precursors and stacks'2013 7,431,898'Chemical reaction apparatus and power supply system'2008 6,777,117'Catalysts for water gas shift reaction, method for removing carbon monoxide in hydrogen gas and electric power-generating system of fuel cell'2004 6,713,032'Catalyst for removing carbon monoxide in hydrogen rich gas and production method therefor'2004 6,641,827'Insecticide obtained from plants for use on termites'2003 6,412,348'Dynamic loading test equipment for a real-size vibration-controlling damper'2002 5,847,783'LCD with electroluminescent panel drive circuitry mounted to oppose LCD drive circuitry'1998 5,827,796'Thermal recording material'1998 5,669,930'Stent for intracorporeal retention'1997 5,665,432'Process for treating timber'1997 5,531,981'Method for treatment of termite'1996 5,492,789'Process for producing microcapsules containing a diazonium salt compound and a photofixation thermal recording material employing the same'1996 5,461,370'Fire alarm system'1995 5,424,164'Image forming method'1995 5,409,880'Multi-color heat-sensitive recording material'1995 5,378,273'Base plate conveyor'1995 5,360,508'Applying apparatus'1994 5,350,019'Fire protection system'1994 5,300,520'Wood preservative composition'1994 5,296,329'Diazo heat-sensitive recording material'1994 5,279,699'Sticking apparatus'1994 5,244,769'Light-sensitive image forming material'1993 D0338025'Film laminator for printed circuit boards'1993 5,211,800'Applying apparatus'1993 5,203,756'Laminator'1993 5,168,029'Multicolor recording material'1992 5,167,865'Apparatus and method for preparing reformed gas by means of electroless plating'1992 5,130,114'Catalyst for steam reforming of hydrocarbon'1992 5,114,526'Film bonding apparatus'1992 5,110,848'Wet dispersion process and process of producing heat-sensitive recording material'1992 5,093,687'Copying apparatus'1992 5,061,092'Multicolor thermal printer recording medium transmission mechanism'1991 5,018,888'Paper tension adjusting device and method for a printer'1991 4,987,117'Heat-sensitive recording material'1991 4,981,836'Recording material'1991 4,923,844'Heat-sensitive recording material'1990 4,901,316'Disaster prevention monitoring and control facility'1990 4,888,321'Heat-sensitive recording materials'1989 4,885,271'Heat-sensitive recording material'1989 4,855,278'Heat-sensitive recording material'1989 4,855,282'Recording material and method for producing the same'1989 4,847,593'Transmission circuit of fire protection/security system'1989 4,847,236'Recording material'1989 4,833,121'Heat-sensitive recording material'1989 4,833,118'Heat-sensitive recording material'1989 4,822,771'Heat-sensitive recording material'1989 4,814,231'Thermoplastic resin-silicone composite shaped article'1989 4,797,384'Heat-sensitive recording sheet'1989 4,797,385'Heat-sensitive recording material'1989 4,792,542'Recording material'1988 4,786,629'Heat-sensitive recording material'1988 4,751,213'Recording material'1988 4,728,633'Recording material'1988 4,717,593'Heat-sensitive recording sheet'1988 4,707,464'Recording material'1987 4,686,124'Thermoplastic resin-silicone rubber composite shaped article'1987 4,646,113'Heat-sensitive recording sheet'1987 4,644,377'Fluoran derivatives and recording material using the same'1987 4,628,335'Heat-sensitive recording material'1986 4,582,762'Soft vinyl chloride resin-silicone composite shaped article'1986 4,554,566'Heat-sensitive recording material'1985 4,539,578'Heat sensitive recording material'1985 4,520,377'Heat-sensitive recording materials'1985 4,479,138'Heat-sensitive recording materials'1984 4,471,073'Heat-sensitive recording materials'1984 4,466,007'Heat-sensitive recording paper'1984 4,460,626'Heat-sensitive recording material'1984 4,455,346'Heat-sensitive recording paper'1984 4,442,179'Heat-sensitive recording paper'1984 4,436,920'Image recording members'1984 4,416,939'Heat-sensitive recording paper'1983 4,415,633'Heat-sensitive recording material'1983 4,401,717'Heat-sensitive recording material'1983 4,390,616'Image recording members'1983 4,341,403'Fluoran compounds, process for preparation thereof, and recording sheets using same'1982 4,333,984'Heat-sensitive recording sheets'1982 4,283,458'Heat-sensitive recording paper containing a novel electron accepting compound'1981 4,255,491'Heat-sensitive recording paper'1981 4,147,830'Recording sheet'1979 4,138,357'Thermochromic material'1979 4,117,199'Process for producing moisture and water-proof paper'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1995Based in Tokyo, JP· patent location history

1979–1998Patents assigned to FUJI PHOTO FILM CO LTD (50)· patent assignee history

1981–1983Based in Fujinomiya, JP· patent location history

1983–1998Based in Shizuoka, JP· patent location history

1986–1997Patents assigned to FUJI SYSTEM (4)· patent assignee history

1986–1997Based in Yokohama, JP· patent location history

1992–1995Patents assigned to SOMAR CORP (8)· patent assignee history

1992–2016Patents assigned to IGARASHI AKIRA (4)· patent assignee history

2013–2020Patents assigned to EASTMAN KODAK CO (4)· patent assignee history

2013–2020Based in Kumagaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI PHOTO FILM CO LTD	50	1979–1998
SOMAR CORP	8	1992–1995
EASTMAN KODAK CO	4	2013–2020
FUJI SYSTEM	4	1986–1997
IGARASHI AKIRAself	4	1992–2016

Locations

Location	Patents	Span
Shizuoka, JP	41	1983–1998
Tokyo, JP	13	1978–1995
Fujinomiya, JP	7	1981–1983
Kumagaya, JP	4	2013–2020
Yokohama, JP	4	1986–1997