Tsuyoshi Hirabayashi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Switch mechanism usable underwater
- Patent number 7,633,027
- Issue date Dec 15, 2009
- Olympus Imaging Corp.
- Katsuhisa Sakaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch mechanism usable underwater
- Patent number 7,598,465
- Issue date Oct 6, 2009
- Olympus Imaging Corp.
- Tsuyoshi Hirabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switch mechanism usable underwater
- Patent number 7,426,338
- Issue date Sep 16, 2008
- Olympus Imaging Corp.
- Naoki Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SWITCH MECHANISM USABLE UNDERWATER
- Publication number 20090014297
- Publication date Jan 15, 2009
- Olympus Imaging Corp.
- Katsuhisa Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SWITCH MECHANISM USABLE UNDERWATER
- Publication number 20080308396
- Publication date Dec 18, 2008
- Olympus Imaging Corp.
- Naoki Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Switch mechanism usable underwater
- Publication number 20060113173
- Publication date Jun 1, 2006
- Olympus Imaging Corp.
- Naoki Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY