Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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09/07/1993
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Application #:
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07504341
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Filing Dt:
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04/03/1990
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Inventors:
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SHIGERU OHUCHIDA, YUJI SUMI
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Title:
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OPTICAL PICKUP DEVICE WITH DUAL GRATING ELEMENT
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 3-6, 1-CHOME, NAKAMAGOME, OTA-KU |
| TOKYO, JAPAN |
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| IVAN S. KAVRUKOV |
| C/O COOPER & DUNHAM |
| 30 ROCKEFELLER PLAZA |
| NEW YORK, NY 10112 |
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