Shingshwang Yao

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Detector for magnetooptic recorders
- Patent number 4,823,220
- Issue date Apr 18, 1989
- International Business Machines Corporation
- Thomas D. Milster
- G11 - INFORMATION STORAGE
Information Patent Grant
Holograms in photorefractive materials
- Patent number 4,807,970
- Issue date Feb 28, 1989
- International Business Machines Corporation
- Roger R. Dube
- G02 - OPTICS