Shigeru Inaoka

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Projection-type picture display apparatus and screen used thereby
- Patent number 7,460,300
- Issue date Dec 2, 2008
- Hitachi, Ltd.
- Koji Hirata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection-type picture display apparatus and screen used thereby
- Patent number 7,221,507
- Issue date May 22, 2007
- Hitachi, Ltd.
- Koji Hirata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection-type picture display apparatus and screen used thereby
- Patent number 7,023,616
- Issue date Apr 4, 2006
- Hitachi, Ltd.
- Koji Hirata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid crystal display apparatus and optical device for use therein
- Patent number 6,829,031
- Issue date Dec 7, 2004
- Hitachi, Ltd.
- Toru Numata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection-type picture display apparatus and screen used thereby
- Patent number 6,728,031
- Issue date Apr 27, 2004
- Hitachi, Ltd.
- Koji Hirata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid crystal display apparatus having liquid crystal display elem...
- Patent number 6,535,267
- Issue date Mar 18, 2003
- Hitachi, Ltd.
- Toru Numata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Rear projection display apparatus and translucent screen for use th...
- Patent number 6,502,942
- Issue date Jan 7, 2003
- Hitachi, Ltd.
- Shigeru Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid crystal display apparatus and optical device for use therein
- Patent number 6,256,083
- Issue date Jul 3, 2001
- Hitachi, Ltd.
- Toru Numata
- G02 - OPTICS
Information Patent Grant
Temperature compensating lens system for projection television
- Patent number 5,272,540
- Issue date Dec 21, 1993
- Hitachi, Ltd.
- Koji Hirata
- G02 - OPTICS
Information Patent Grant
Video projector with optical color balance
- Patent number 5,200,814
- Issue date Apr 6, 1993
- Hitachi, Ltd.
- Koji Hirata
- G02 - OPTICS
Information Patent Grant
Projection lens system
- Patent number 4,948,237
- Issue date Aug 14, 1990
- Hitachi, Ltd.
- Koji Hirata
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Projection-type picture display apparatus and screen used thereby
- Publication number 20070223089
- Publication date Sep 27, 2007
- KOJI HIRATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Projection-type picture display apparatus and screen used thereby
- Publication number 20060114559
- Publication date Jun 1, 2006
- KOJI HIRATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Liquid crystal display apparatus and optical device for use therein
- Publication number 20050001970
- Publication date Jan 6, 2005
- Toru Numata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Projection- type picture display apparatus and screen used thereby
- Publication number 20040196552
- Publication date Oct 7, 2004
- KOJI HIRATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION-TYPE PICTURE DISPLAY APPARATUS AND SCREEN USED THEREBY
- Publication number 20030128338
- Publication date Jul 10, 2003
- KOJI HIRATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Liquid crystal display apparatus and optical device for use therein
- Publication number 20030098944
- Publication date May 29, 2003
- Hitachi, Ltd.
- Toru Numata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Rear projection display apparatus and translucent screen for use th...
- Publication number 20020109915
- Publication date Aug 15, 2002
- Hitachi, Ltd
- Shigeru Mori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Liquid crystal display apparatus and optical device for use therein
- Publication number 20010033345
- Publication date Oct 25, 2001
- Hitachi, Ltd.
- Toru Numata
- G02 - OPTICS

Shigeru Inaoka

Person

Patents Grantslast 30 patents

Projection-type picture display apparatus and screen used thereby

Projection-type picture display apparatus and screen used thereby

Projection-type picture display apparatus and screen used thereby

Liquid crystal display apparatus and optical device for use therein

Projection-type picture display apparatus and screen used thereby

Liquid crystal display apparatus having liquid crystal display elem...

Rear projection display apparatus and translucent screen for use th...

Liquid crystal display apparatus and optical device for use therein

Temperature compensating lens system for projection television

Video projector with optical color balance

Projection lens system

Patents Applicationslast 30 patents

Projection-type picture display apparatus and screen used thereby

Projection-type picture display apparatus and screen used thereby

Liquid crystal display apparatus and optical device for use therein

Projection- type picture display apparatus and screen used thereby

PROJECTION-TYPE PICTURE DISPLAY APPARATUS AND SCREEN USED THEREBY

Liquid crystal display apparatus and optical device for use therein

Rear projection display apparatus and translucent screen for use th...

Liquid crystal display apparatus and optical device for use therein