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Inventor

Ken Kagabu

Inventor
Ichinomiya, JP

Overview

6→
Patents
2002–2015
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.

G02Bprimary
G02BOptical elements, systems or apparatus40%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein30%
H01JElectric discharge tubes or discharge lamps20%
H05KPrinted circuits10%
PatentTitleYear
9,194,994'Liquid crystal display device'20158,517,591'Liquid crystal display device'20137,855,765'Liquid crystal display device'20107,570,321'Liquid crystal display device and backlight'20096,541,903'Cathode ray tube and method for punched electrode profile with predetermined angular range'20036,476,543'Cathode ray tube having an improved electrode assembly'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2003Patents assigned to HITACHI ELECTRONIC DEVICES CO (2)· patent assignee history
2002–2003Patents assigned to HITACHI LTD (2)· patent assignee history
2002Based in Chousei, JP· patent location history
2003–2013Based in Ichinomiya, JP· patent location history
2009–2013Patents assigned to HITACHI DISPLAYS LTD (3)· patent assignee history
2009–2010Patents assigned to HITACHI DISPLAY DEVICES LTD (2)· patent assignee history
2009Based in Chosei, JP· patent location history
2015Patents assigned to JAPAN DISPLAY INC (1)· patent assignee history
2015Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI DISPLAYS LTD32009–2013
HITACHI DISPLAY DEVICES LTD22009–2010
HITACHI ELECTRONIC DEVICES CO22002–2003
HITACHI LTD22002–2003
JAPAN DISPLAY INC12015
Locations
LocationPatentsSpan
Ichinomiya, JP32003–2013
Tokyo, JP12015
Chosei, JP12009
Chousei, JP12002