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Inventor

Yasuhiko Sugihara

Inventor
Osaka, JP

Overview

6→
Patents
1983–2020
Patent span
Physics
Primary field (CPC G)

Patents· 6 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 therein25%
G02BOptical elements, systems or apparatus17%
A61NElectrotherapy8%
B62DMotor vehicles8%
G06FElectric digital data processing8%
H01LSemiconductor devices8%
H05KPrinted circuits8%
H10HInorganic light-emitting semiconductor devices having potential barriers8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
PatentTitleYear
10,564,468Liquid crystal display device20209,502,613'Method for manufacturing liquid crystal display device'20168,749,740'Liquid crystal display device'20148,576,190'Touch panel and display device including the same'20136,134,490'Power steering device assisted by variable power'20004,418,687'Electric sleep inducer'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to HOMER ION LAB CO LTD (1)· patent assignee history
1983Based in Tokyo, JP· patent location history
2000Patents assigned to DENSO CORP (1)· patent assignee history
2000Based in Kariya, JP· patent location history
2013–2020Patents assigned to SHARP KK (4)· patent assignee history
2013–2014Patents assigned to SUGIHARA YASUHIKO (2)· patent assignee history
2013–2016Based in Osaka, JP· patent location history
2014Patents assigned to ASHIDA TAKEYUKI (1)· patent assignee history
2020Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK42013–2020
SUGIHARA YASUHIKOself22013–2014
ASHIDA TAKEYUKI12014
DENSO CORP12000
HOMER ION LAB CO LTD11983
Locations
LocationPatentsSpan
Osaka, JP32013–2016
Sakai, JP12020
Kariya, JP12000
Tokyo, JP11983