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Inventor

Shinichi Ishinagawa

Inventor
Ichihara, JP

Overview

3→
Patents
1999–2013
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps67%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%
PatentTitleYear
8,451,399'Liquid crystal display device'20136,509,682'Cathode ray tube having an improved electron gun'20035,872,423'Color cathode ray tube having an improved first grid electrode'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2003Patents assigned to HITACHI ELECTRONIC DEVICES CO (2)· patent assignee history
1999–2003Patents assigned to HITACHI LTD (2)· patent assignee history
1999Based in Chiba, JP· patent location history
2003–2013Based in Ichihara, JP· patent location history
2013Patents assigned to HITACHI DISPLAYS LTD (1)· patent assignee history
2013Patents assigned to ISHINAGAWA SHINICHI (1)· patent assignee history
2013Patents assigned to PANASONIC LIQUID CRYSTAL DISPL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI ELECTRONIC DEVICES CO21999–2003
HITACHI LTD21999–2003
HITACHI DISPLAYS LTD12013
ISHINAGAWA SHINICHIself12013
PANASONIC LIQUID CRYSTAL DISPL12013
Locations
LocationPatentsSpan
Ichihara, JP22003–2013
Chiba, JP11999