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Inventor

Kunio Maruyama

Inventor
Okayama, JP

Overview

13→
Patents
1981–2014
Patent span
Physics
Primary field (CPC G)

Patents· 13 as inventor

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

D01Fprimary
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons19%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein15%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
G02BOptical elements, systems or apparatus7%
H01BCables7%
H01GCapacitors7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
B29CShaping or joining of plastics4%
B29DProducing particular articles from plastics or from substances in a plastic state4%
PatentTitleYear
8,780,025'Display device'20147,542,111'Color filter substrate manufacturing method'20097,285,360'Polymer gel electrolyte composition and method of producing the same'20077,233,373'Color filter substrate, manufacturing method thereof, displaying device, electro-optical device and electronic instrument'20077,147,325'Contact lens and production method for contact lens'20067,075,599'Color filter substrate and manufacturing method therefor, electro-optical apparatus, and electronic equipment'20066,420,072'Polyelectrolytic gel'20026,071,111'Mold assembly for forming contact lens blank'20005,726,241'Finishing oil for precursor for high performance carbon fibers and precursor'19984,378,343'Process for producing carbon fiber tows'19834,335,089'Process for producing carbon fibers'19824,284,615'Process for the production of carbon fibers'19814,259,307'Process for producing carbon fibers'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to SUMITOMO CHEMICAL CO (3)· patent assignee history
1981–1983Patents assigned to JAPAN EXLAN CO LTD (2)· patent assignee history
1981–2007Based in Okayama, JP· patent location history
1998Patents assigned to HEXCEL CORP (1)· patent assignee history
2000–2006Patents assigned to MENICON CO LTD (2)· patent assignee history
2000–2006Based in Nagoya, JP· patent location history
2006–2009Patents assigned to SEIKO EPSON CORP (3)· patent assignee history
2006–2009Based in Misato, JP· patent location history
2014Based in Azumino, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP32006–2009
SUMITOMO CHEMICAL CO31981–1983
JAPAN EXLAN CO LTD21981–1983
MENICON CO LTD22000–2006
HEXCEL CORP11998
Locations
LocationPatentsSpan
Okayama, JP71981–2007
Misato, JP32006–2009
Nagoya, JP22000–2006
Azumino, JP12014