Fumitaka Imamura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical rotary encoder having large and small numerical aperture fi...
- Patent number 5,038,031
- Issue date Aug 6, 1991
- Optec D.D. Melco Laboratory Co., Ltd.
- Yoshi Kurosawa
- G01 - MEASURING TESTING