Katsuhiro Yamashita

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Toyohashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Speaker system and video display
- Patent number 8,270,659
- Issue date Sep 18, 2012
- Sony Corporation
- Makoto Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sealed lamp device and projector
- Patent number 7,866,824
- Issue date Jan 11, 2011
- Sony Corporation
- Kei Yamaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Separator for an alkaline cell and a method of producing the separator
- Patent number 6,270,833
- Issue date Aug 7, 2001
- FDK Corporation
- Katsuhiro Yamashita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Modular rear projection television having an airtight upper cabinet
- Patent number 5,929,945
- Issue date Jul 27, 1999
- Sony Corporation
- Noriaki Negishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projection apparatus
- Patent number 5,860,720
- Issue date Jan 19, 1999
- Sony Corporation
- Noriaki Negishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Alkaline battery
- Patent number 5,376,480
- Issue date Dec 27, 1994
- Fuji Electrochemical Co., Ltd.
- Kenichi Shinoda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alkaline battery
- Patent number 5,348,816
- Issue date Sep 20, 1994
- Fuji Electrochemical Co., Ltd.
- Kenichi Shinoda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Sealed lamp device and projector
- Publication number 20080106701
- Publication date May 8, 2008
- SONY CORPORATION
- Kei Yamaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Speaker system and video display
- Publication number 20070147648
- Publication date Jun 28, 2007
- Sony Corporation
- Makoto Koizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE