Yoshimasa Takeuchi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection type image display apparatus
- Patent number 8,109,642
- Issue date Feb 7, 2012
- Hitachi, Ltd.
- Yasuhisa Watabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Projection type image display device
- Patent number 7,140,732
- Issue date Nov 28, 2006
- Hitachi, Ltd.
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Projection Type Image Display Apparatus
- Publication number 20090141254
- Publication date Jun 4, 2009
- Hitachi, Ltd.
- Yasuhisa WATABE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Projection type image display device
- Publication number 20040263792
- Publication date Dec 30, 2004
- Hitachi, Ltd
- Mikio Shiraishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE