Ryuji Usui

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fiber optic gyroscope having optical integrated circuit, depolarize...
- Patent number 7,190,462
- Issue date Mar 13, 2007
- Japan Aviation Electronics Industry Limited
- Aritaka Ohno
- G01 - MEASURING TESTING
Information Patent Grant
Fiber optic gyroscope
- Patent number 6,990,269
- Issue date Jan 24, 2006
- Japan Aviation Electronics Industry Limited
- Aritaka Ohno
- G01 - MEASURING TESTING
Information Patent Grant
Sagnac interferometer current sensor
- Patent number 6,831,749
- Issue date Dec 14, 2004
- Japan Aviation Electronics Industry Limited
- Aritaka Ohno
- G01 - MEASURING TESTING
Information Patent Grant
Optical-interference type angular velocity or rate sensor having an...
- Patent number 5,412,472
- Issue date May 2, 1995
- Japan Aviation Electronics Industry Limited
- Kenichi Okada
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber coil unit for a fiber optic gyro
- Patent number 5,245,687
- Issue date Sep 14, 1993
- Japan Aviation Electronics Industry Limited
- Ryuji Usui
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
FIBER OPTIC GYROSCOPE
- Publication number 20070030491
- Publication date Feb 8, 2007
- Aritaka Ohno
- G01 - MEASURING TESTING
Information Patent Application
Fiber optic gyroscope
- Publication number 20040091207
- Publication date May 13, 2004
- Aritaka Ohno
- G01 - MEASURING TESTING
Information Patent Application
Sagnac interferometer current sensor
- Publication number 20020122183
- Publication date Sep 5, 2002
- Aritaka Ohno
- G01 - MEASURING TESTING