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Inventor

Koji Matsushima

Inventor
Akishima, JP

Overview

13→
Patents
1978–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 13 as inventor

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

B41Jprimary
B41JTypewriters21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
Y10TTechnical subjects covered by former us classification10%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%
B01FMixing, e.g. dissolving, emulsifying or dispersing3%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general3%
PatentTitleYear
11,090,619Exhaust system and exhaust method20217,407,253'Inkjet recording apparatus'20087,370,955'Inkjet printer'20087,370,923'Inkjet printer'20087,275,804'Inkjet recording apparatus'20077,055,945'Ink jet printer and ink jet recording method'20066,783,227'Inkjet printer having an active ray source'20045,863,624'Can-covering polyester film and production process thereof'19995,409,129'Welded cans'19955,177,426'Over-discharge protection circuitry'19934,954,702'Process for detecting a focal point in an optical head'19904,129,545'Thermosetting acrylic copolymer usable as a powder paint and method for producing the same'19784,080,089'Automatic drilling machine'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2004Patents assigned to KONISHIROKU PHOTO IND (2)· patent assignee history
1990–2008Based in Akishima, JP· patent location history
1993Based in Kawasaki, JP· patent location history
1995–1999Patents assigned to HOKKAI CAN (2)· patent assignee history
1995–1999Based in Iwatsuki, JP· patent location history
2006–2008Patents assigned to KONICA MINOLTA HOLDINGS INC (2)· patent assignee history
2006–2008Based in Hachioji, JP· patent location history
2007–2008Patents assigned to KONICA MINOLTA MED & GRAPHIC (3)· patent assignee history
2021Patents assigned to EBARA CORP (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONICA MINOLTA MED & GRAPHIC32007–2008
HOKKAI CAN21995–1999
KONICA MINOLTA HOLDINGS INC22006–2008
KONISHIROKU PHOTO IND21990–2004
EBARA CORP12021
Locations
LocationPatentsSpan
Akishima, JP51990–2008
Hachioji, JP22006–2008
Iwatsuki, JP21995–1999
Tokyo, JP12021
Kawasaki, JP11993