Inventor

Hiroharu Matsukawa

Inventor

Fujinomiya, JP

Overview

1976–1989

Patent span

Performing operations

Primary field (CPC B)

Patents· 45 as inventor

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

B41Mprimary

B41MPrinting, duplicating, marking, or copying processes29%

Y10TTechnical subjects covered by former us classification25%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry15%

G01NInvestigating or analysing materials by determining their chemical or physical properties3%

A61KPreparations for medical, dental or toiletry purposes2%

G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure2%

A61QSpecific use of cosmetics or similar toiletry preparations1%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds1%

C08LCompositions of macromolecular compounds1%

PatentTitleYear

RE033113'Pressure sensitive recording paper'1989 4,650,769'Microcapsules for immune response'1987 4,614,955'Heat sensitive recording paper'1986 4,593,298'Heat-sensitive recording paper'1986 4,590,170'Process for preparing microcapsule reagents for immunological response'1986 4,583,103'Heat-sensitive recording paper'1986 4,576,831'Process for producing heat-sensitive recording paper'1986 4,539,578'Heat sensitive recording material'1985 4,489,337'Heat-sensitive recording paper'1984 4,471,073'Heat-sensitive recording materials'1984 4,460,199'Microcapsule coated sheet for pressure sensitive copying paper'1984 4,460,626'Heat-sensitive recording material'1984 4,447,487'Heat-sensitive recording papers'1984 4,418,942'Microcapsule sheet for pressure-sensitive recording paper'1983 4,415,633'Heat-sensitive recording material'1983 4,356,109'Method for preparing microcapsules'1982 4,353,809'Process for the production of microcapsules'1982 4,342,739'Novel material for immunological assay of biochemical components and a process for the determination of said components'1982 4,337,280'Desensitizer composition'1982 4,333,984'Heat-sensitive recording sheets'1982 4,263,047'Color developing ink'1981 4,251,386'Method for preparing microcapsules'1981 4,221,710'Process for preparing microcapsules by polymerization of urea and formaldehyde in the presence of gum arabic'1980 4,147,830'Recording sheet'1979 4,132,112'Pressure-measuring sheet'1979 4,101,690'Desensitizing composition'1978 4,073,968'Method for desensitization of a color developer'1978 4,069,353'Process for producing developer sheet for pressure-sensitive recording paper'1978 4,062,799'Method of forming microcapsule films having low porosity'1977 4,041,193'Method for fanning each set of multi-ply sheets'1977 4,022,624'Desensitizer composition'1977 4,021,595'Pressure sensitive recording sheet'1977 4,016,098'Process for hardening microcapsules'1977 4,012,538'Method of forming color images employing desensitizing agents'1977 4,007,310'Method of desensitization using desensitizing composition'1977 4,002,060'Pressure measurement sheet and method of using the same'1977 3,996,156'Production of microcapsules'1976 3,970,585'Process for preparing oil-containing microcapsules'1976 3,965,033'Process for the production of oil-containing microcapsules'1976 3,956,172'Process for hardening microcapsules containing hydrophobic oil droplets'1976 3,955,025'Pressure-sensitive copying sheet'1976 3,955,026'Pressure-sensitive recording sheet'1976 3,952,129'Coated pressure sensitive copying paper'1976 RE028779'Oil-containing microcapsules and method for their production'1976 3,944,502'Process for preparing microcapsules containing hydrophobic oil drops'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1987Patents assigned to FUJI PHOTO FILM CO LTD (43)· patent assignee history

1976–1989Based in Fujinomiya, JP· patent location history

1976–1987Based in Shizuoka, JP· patent location history

1976–1979Based in Fujimiya, JA· patent location history

1982Based in Shizuoka-shi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJI PHOTO FILM CO LTD	43	1976–1987

Locations

Location	Patents	Span
Fujinomiya, JP	15	1976–1989
Shizuoka, JP	15	1976–1987
Fujimiya, JA	14	1976–1979
Shizuoka-shi, JP	1	1982