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Inventor

Kohji Hisakawa

Inventor
Osaka, JP

Overview

4→
Patents
2002–2014
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein43%
G05FSystems for regulating electric or magnetic variables14%
G09FDisplaying14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
8,699,236'Conductive buffer material and display device'20148,400,762'Display device'20138,355,086'Information display'20136,429,631'Regulated power source circuit including an overcurrent detecting mechanism for eliminating loss in the output control element'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2014Patents assigned to SHARP KK (4)· patent assignee history
2002Based in Kitakatsuragi-gun, JP· patent location history
2013–2014Patents assigned to HISAKAWA KOHJI (3)· patent assignee history
2013Patents assigned to HARA TAKAFUMI (1)· patent assignee history
2013Patents assigned to MATSUMOTO KOUJI (1)· patent assignee history
2013Patents assigned to OGURA TAKESHI (1)· patent assignee history
2013–2014Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK42002–2014
HISAKAWA KOHJIself32013–2014
HARA TAKAFUMI12013
MATSUMOTO KOUJI12013
OGURA TAKESHI12013
Locations
LocationPatentsSpan
Osaka, JP32013–2014
Kitakatsuragi-gun, JP12002