Inventor

Shinjiro Umeya

Inventor

Miyagi, JP

Overview

4→

Patents

1993–2008

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.

G02Bprimary

G02BOptical elements, systems or apparatus22%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein22%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them22%

H01JElectric discharge tubes or discharge lamps22%

G06FElectric digital data processing11%

PatentTitleYear

7,327,517'Optical multilayer film and reflective screen'2008 7,035,006'Screen for image display apparatus, method for manufacturing screen for image display apparatus, and image display apparatus'2006 6,028,581'Method and apparatus for a liquid crystal display (LCD) having an input function'2000 5,244,427'Method of producing an electro-optical device'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2008Patents assigned to SONY CORP (4)· patent assignee history

1993Based in Kanagawa, JP· patent location history

2000Patents assigned to SONY ELECTRONICS INC (1)· patent assignee history

2000Based in San Diego, CA, US· patent location history

2006–2008Based in Miyagi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	4	1993–2008
SONY ELECTRONICS INC	1	2000

Locations

Location	Patents	Span
Miyagi, JP	2	2006–2008
San Diego, California, US	1	2000
Kanagawa, JP	1	1993