Shinji Sangawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical selector switch and signal-processing apparatus
- Patent number 8,346,034
- Issue date Jan 1, 2013
- Sony Corporation
- Ken Hayakawa
- G02 - OPTICS
Information Patent Grant
Method and apparatus of obtaining directivity
- Patent number 7,894,702
- Issue date Feb 22, 2011
- Sony Corporation
- Hidehiko Ogasawara
- G02 - OPTICS
Information Patent Grant
Optical selector switch and signal-processing apparatus
- Patent number 7,889,957
- Issue date Feb 15, 2011
- Sony Corporation
- Hidehiko Ogasawara
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SELECTOR SWITCH AND SIGNAL-PROCESSING APPARATUS
- Publication number 20100172613
- Publication date Jul 8, 2010
- Ken Hayakawa
- G02 - OPTICS
Information Patent Application
OPTICAL SELECTOR SWITCH AND SIGNAL-PROCESSING APPARATUS
- Publication number 20090252453
- Publication date Oct 8, 2009
- SONY CORPORATION
- Hidehiko Ogasawara
- G02 - OPTICS
Information Patent Application
METHOD AND APPARATUS OF OBTAINING DIRECTIVITY
- Publication number 20090252025
- Publication date Oct 8, 2009
- SONY CORPORATION
- Hidehiko OGASAWARA
- G02 - OPTICS