Naotake Ooyama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
High stability interferometer for measuring small changes in refrac...
- Patent number 5,074,666
- Issue date Dec 24, 1991
- Agency of Industrial Science and Technology
- Thomas H. Barnes
- G01 - MEASURING TESTING
Information Patent Grant
Method and device for achieving optical spatial phase modulation
- Patent number 5,018,838
- Issue date May 28, 1991
- Agency of Industrial Science and Technology
- Thomas H. Barnes
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for collection and transmission of road traffic information
- Patent number 4,258,351
- Issue date Mar 24, 1981
- Agency of Industrial Science and Technology
- Kiyoko Shigeta
- G08 - SIGNALLING