Akihiro Ooka

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fiber-optic gyroscope obtaining a signal from a perturbed light source
- Patent number 5,444,533
- Issue date Aug 22, 1995
- Sumitomo Electric Industries, Ltd.
- Yozo Nishiura
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber type polarizer
- Patent number 5,386,484
- Issue date Jan 31, 1995
- Sumitomo Electric Industries, Ltd.
- Akihiro Ooka
- G02 - OPTICS
Information Patent Grant
Locator for a moving body
- Patent number 5,122,960
- Issue date Jun 16, 1992
- Sumitomo Electric Industries, Ltd.
- Akihiro Ooka
- G01 - MEASURING TESTING
Information Patent Grant
Method of correcting zero point of gyro and apparatus therefor
- Patent number 5,065,612
- Issue date Nov 19, 1991
- Sumitomo Electric Industries, Ltd.
- Akihiro Ooka
- G01 - MEASURING TESTING
Information Patent Grant
Character recognition apparatus
- Patent number 4,542,526
- Issue date Sep 17, 1985
- Sumitomo Electric Industries, Ltd.
- Koji Satoh
- G06 - COMPUTING CALCULATING COUNTING