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Inventor

Kouichi Kawamura

Inventor
Shizuoka, JP

Overview

40→
Patents
1982–2016
Patent span
Physics
Primary field (CPC G)

Patents· 40 as inventor

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

G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices18%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
G03GElectrography15%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments11%
B41JTypewriters9%
C07DHeterocyclic compounds7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
E02FDredging2%
F15BSystems acting by means of fluids in general2%
G03CPhotosensitive materials for photographic purposes2%
PatentTitleYear
9,442,289'Display apparatus for vehicle'20169,028,076'Projector'20156,560,962'Control system of a hydraulic construction machine'20036,474,063'Travel motor hydraulic control system for a construction machine'20025,443,319'Ink ribbon cartridge installation and methods relating thereto'19955,395,733'Image forming layer'19955,310,618'Light-sensitive compositions and articles utilizing a compound or polymer containing an aromatic diazonium salt group and a light-absorbing residue of a sensitizing dye for trichloromethyl-s-triazine or azinium salt photopolymerization initiators'19945,262,276'Light-sensitive compositions'19935,246,298'Ink ribbon cartridge and installation methods relating thereto'19935,227,473'Quinone diazide compound and light-sensitive composition containing same'19935,202,221'Light-sensitive composition'19935,186,553'Printer and method'19935,168,032'Photopolymerizable composition initiated by a combination of boron compound, dye, and heterocyclic compound'19925,153,095'Light-sensitive photopolymerizable composition containing polymer with ethylenic unsaturation in the side chain'19925,064,747'Sensitizers for photocrosslinkable polymers'19915,061,605'Photopolymerizable composition containing photoinitiators having at least two sulfur atoms'19915,051,009'Printhead mount & cassette lock in a thermal printer'19915,028,155'Printer with improved web guide means'19915,004,674'Silver halide photosensitive material'19914,997,745'Photosensitive composition and photopolymerizable composition employing the same'19914,899,947'Reel for mounting record member roll'19904,826,753'Light-sensitive composition containing an unsaturated monomer and a photopolymerization initiator'19894,776,714'Ink ribbon cassette with movable guide rolls'19884,772,534'Light sensitive composition containing a light sensitive s-triazine compound'19884,636,459'Photopolymerizable compositions'19874,622,280'Disazo compound, and photoconductive composition and electrophotographic photoreceptor containing the same'19864,598,033'Photoconductive compositions comprising a disazo compound'19864,568,623'Photoconductive compositions containing novel disazo compounds and electrophotographic photoreceptors using the same'19864,557,988'Disazo compounds, photoconductive compositions and electrophotographic light-sensitive materials containing the same'19854,555,474'Photopolymerizable composition'19854,548,892'Photopolymerizable composition containing acylhaloacetic acid amide derivatives'19854,535,045'Electric light-sensitive material containing a novel vinylidene chloride copolymer'19854,533,613'Disazo compounds and photoconductive composition as well as electrophotographic light sensitive element containing the same'19854,508,805'Disazo compounds, photoconductive compositions and electrophotographic light-sensitive materials containing the same'19854,504,559'Disazo compounds and photoconductive composition as well as electrophotographic light sensitive element containing the same'19854,469,864'Thiopyrylium compounds and photoconductive compositions containing said compounds'19844,465,751'Electrophotographic light-sensitive materials'19844,389,474'Thiopyrylium compounds and photoconductive compositions containing said compounds'19834,362,800'Sensitized photoconductive compositions and electrophotographic photosensitive layers using such'19824,343,948'2,6-Di-tert-butyl-4-methyl thiopyrylium salt'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1995Patents assigned to FUJI PHOTO FILM CO LTD (29)· patent assignee history
1982–1983Based in Asaka, JP· patent location history
1984–1986Based in Saitama, JP· patent location history
1985–1988Based in Kanagawa, JP· patent location history
1988–1995Patents assigned to MONARCH MARKING SYSTEMS INC (7)· patent assignee history
1988–1995Based in Mishima, JP· patent location history
1989–1995Based in Shizuoka, JP· patent location history
2002–2003Patents assigned to KOMATSU MFG CO LTD (2)· patent assignee history
2015–2016Patents assigned to JVC KENWOOD CORP (2)· patent assignee history
2015Patents assigned to KAWAMURA KOUICHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI PHOTO FILM CO LTD291982–1995
MONARCH MARKING SYSTEMS INC71988–1995
JVC KENWOOD CORP22015–2016
KOMATSU MFG CO LTD22002–2003
KAWAMURA KOUICHIself12015
Locations
LocationPatentsSpan
Shizuoka, JP121989–1995
Kanagawa, JP111985–1988
Mishima, JP71988–1995
Saitama, JP31984–1986
Asaka, JP31982–1983