Inventor

Masato Hatanaka

Inventor

Saitama, JP

Overview

13→

Patents

1982–2010

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus35%

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 lamps13%

H04NPictorial communication, e.g. television9%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%

G09FDisplaying4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

7,667,787'Backlight device and transmission type liquid crystal display apparatus'2010 7,604,362'Backlight apparatus, liquid crystal display'2009 7,476,015'Backlight apparatus and liquid crystal display apparatus'2009 7,413,331'LCD with multi-color optical unit and cross dichroic device'2008 7,344,291'Illuminating device and backlight device employing the illuminating device'2008 7,318,664'Backlight device and liquid crystal display apparatus'2008 7,185,995'Backlight device and liquid crystal display'2007 6,095,654'Projection type display apparatus'2000 5,917,561'Liquid-crystal image projecting apparatus having a color purity correction filter'1999 5,451,103'Projector system'1995 4,570,100'Flat-type cathode ray tube having electrostatic and electromagnetic deflection systems'1986 4,451,756'Flat cathode ray tube'1984 4,339,694'Flat cathode ray tube'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2010Patents assigned to SONY CORP (13)· patent assignee history

1982–2010Based in Saitama, JP· patent location history

1984–1986Based in Koshigaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SONY CORP	13	1982–2010

Locations

Location	Patents	Span
Saitama, JP	11	1982–2010
Koshigaya, JP	2	1984–1986