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Inventor

Masahiko Okamura

Inventor
Osaka, JP

Overview

10→
Patents
1995–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television36%
C09KMaterials for miscellaneous applications, not provided for elsewhere21%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
H01RElectrically-conductive connections14%
G11BInformation storage based on relative movement between record carrier and transducer7%
H03JTuning resonant circuits7%
PatentTitleYear
10,988,691Liquid-crystal medium20218,837,913'Recording device and dubbing method'20148,617,419'Liquid-crystalline medium and liquid-crystal display'20137,553,523'Liquid crystal medium'20095,941,732'Connector with planar ridge on inner wall of connector housing'19995,755,594'Connector device'19985,635,996'Memory apparatus for channel selector of television receiver'19975,497,190'Digital to analog converter arithmetic circuit'19965,483,685'Quick channel selection system for broadcast areas having small number of active channels'19965,408,273'Muting circuit for a television receiving set'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1997Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history
1995–1997Based in Osaka, JP· patent location history
1998–1999Patents assigned to YAZAKI CORP (2)· patent assignee history
1998–1999Based in Shizuoka, JP· patent location history
2009–2021Patents assigned to MERCK PATENT GMBH (3)· patent assignee history
2009–2021Based in Atsugi, JP· patent location history
2013–2014Patents assigned to OKAMURA MASAHIKO (2)· patent assignee history
2013Patents assigned to ICHINOSE HIDEO (1)· patent assignee history
2014Based in Ome, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41995–1997
MERCK PATENT GMBH32009–2021
OKAMURA MASAHIKOself22013–2014
YAZAKI CORP21998–1999
ICHINOSE HIDEO12013
Locations
LocationPatentsSpan
Osaka, JP41995–1997
Atsugi, JP32009–2021
Shizuoka, JP21998–1999
Ome, JP12014