Yoshihiro Sanpei

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Interferometer, demodulator, and splitting element
- Patent number 7,864,325
- Issue date Jan 4, 2011
- Yokogawa Electric Corporation
- Yasuyuki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delayed interferometer enabling a reduction of polarization-depende...
- Patent number 7,847,952
- Issue date Dec 7, 2010
- Yokogawa Electric Corporation
- Yasuyuki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delay interferometer and demodulator
- Patent number 7,848,662
- Issue date Dec 7, 2010
- Yokogawa Electric Corporation
- Yasuyuki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal demodulator
- Patent number 7,411,725
- Issue date Aug 12, 2008
- Yokogawa Electric Corporation
- Yasuyuki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spectrometer
- Patent number 6,999,169
- Issue date Feb 14, 2006
- Yokogawa Electric Corporation
- Yoshihiro Sanpei
- G01 - MEASURING TESTING
Information Patent Grant
Spectrometer and optical spectrum analyzer
- Patent number 6,885,447
- Issue date Apr 26, 2005
- Yokogawa Electric Corporation
- Yasuyuki Suzuki
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
INTERFEROMETER, DEMODULATOR, AND SPLITTING ELEMENT
- Publication number 20090027683
- Publication date Jan 29, 2009
- YOKOGAWA ELECTRIC CORPORATION
- Yasuyuki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INTERFEROMETER AND DEMODULATOR
- Publication number 20080218836
- Publication date Sep 11, 2008
- YOKOGAWA ELECTRIC CORPORATION
- Yasuyuki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Delay interferometer and demodulator
- Publication number 20070264029
- Publication date Nov 15, 2007
- Yokogawa Electric Corporation
- Yasuyuki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Demodulator
- Publication number 20070140695
- Publication date Jun 21, 2007
- YOKOGAWA ELECTRIC CORPORATION
- Yasuyuki Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Spectrometer and optical spectrum analyzer
- Publication number 20040075831
- Publication date Apr 22, 2004
- YOKOGAWA ELECTRIC CORPORATION
- Yasuyuki Suzuki
- G01 - MEASURING TESTING
Information Patent Application
Spectrometer
- Publication number 20030128359
- Publication date Jul 10, 2003
- YOKOGAWA ELECTRIC CORPORATION
- Yoshihiro Sanpei
- G01 - MEASURING TESTING