Toru Numata

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display device and display optical system unit
- Patent number 7,341,354
- Issue date Mar 11, 2008
- Hitachi, Ltd.
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display device and display optical system unit
- Patent number 7,128,422
- Issue date Oct 31, 2006
- Hitachi, Ltd.
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display device and display optical system unit
- Patent number 6,935,750
- Issue date Aug 30, 2005
- Hitachi, Ltd.
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display mechanism and image display device
- Patent number 6,908,198
- Issue date Jun 21, 2005
- Hitachi, Ltd.
- Mikio Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic book distributing system by use of purchase certificate...
- Patent number 6,895,393
- Issue date May 17, 2005
- Hitachi, Ltd.
- Toru Numata
- G06 - COMPUTING CALCULATING COUNTING
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
Image display mechanism and image display device
- Patent number 6,817,720
- Issue date Nov 16, 2004
- Hitachi, Ltd.
- Mikio Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Display device and display optical system unit
- Patent number 6,779,894
- Issue date Aug 24, 2004
- Hitachi, Ltd.
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image display mechanism and image display device
- Patent number 6,682,197
- Issue date Jan 27, 2004
- Hitachi, Ltd.
- Mikio Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image display mechanism and image display device
- Patent number 6,588,910
- Issue date Jul 8, 2003
- Hitachi, Ltd.
- Mikio Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Display device and display optical system unit
- Patent number 6,582,083
- Issue date Jun 24, 2003
- Hitachi, Ltd.
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Display device and display optical system unit
- Patent number 6,394,608
- Issue date May 28, 2002
- Hitachi, Ltd.
- Mikio Shiraishi
- G02 - OPTICS
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
Image display mechanism and image display device
- Patent number 6,231,191
- Issue date May 15, 2001
- Hitachi, Ltd.
- Mikio Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Display device and display optical system unit
- Publication number 20070040994
- Publication date Feb 22, 2007
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Display device and display optical system unit
- Publication number 20050248728
- Publication date Nov 10, 2005
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image display mechanism and image display device
- Publication number 20050046808
- Publication date Mar 3, 2005
- Hitachi, Ltd.
- Mikio Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Display device and display optical system unit
- Publication number 20050018143
- Publication date Jan 27, 2005
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Image display mechanism and image display device
- Publication number 20040100621
- Publication date May 27, 2004
- Hitachi, Ltd.
- Mikio Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Display device and display optical system unit
- Publication number 20030214636
- Publication date Nov 20, 2003
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image display mechanism and image display device
- Publication number 20030197840
- Publication date Oct 23, 2003
- Hitachi, Ltd.
- Mikio Shiraishi
- 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
Display device and display optical system unit
- Publication number 20020131023
- Publication date Sep 19, 2002
- Mikio Shiraishi
- G02 - OPTICS
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
Information Patent Application
Image display mechanism and image display device
- Publication number 20010019397
- Publication date Sep 6, 2001
- Hitachi, Ltd.
- Mikio Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Toru Numata

Person

Patents Grantslast 30 patents

Display device and display optical system unit

Display device and display optical system unit

Display device and display optical system unit

Image display mechanism and image display device

Electronic book distributing system by use of purchase certificate...

Liquid crystal display apparatus and optical device for use therein

Image display mechanism and image display device

Display device and display optical system unit

Image display mechanism and image display device

Image display mechanism and image display device

Display device and display optical system unit

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

Display device and display optical system unit

Liquid crystal display apparatus and optical device for use therein

Image display mechanism and image display device

Patents Applicationslast 30 patents

Display device and display optical system unit

Display device and display optical system unit

Image display mechanism and image display device

Display device and display optical system unit

Liquid crystal display apparatus and optical device for use therein

Image display mechanism and image display device

Display device and display optical system unit

Image display mechanism and image display device

Liquid crystal display apparatus and optical device for use therein

Display device and display optical system unit

Liquid crystal display apparatus and optical device for use therein

Image display mechanism and image display device