Oh Eui Yeol

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Miyagi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cleaning method and apparatus for the same
- Patent number 6,039,815
- Issue date Mar 21, 2000
- Alps Electric Co., Ltd.
- Oh Eui Yeol
- G02 - OPTICS
Information Patent Grant
Cleaning method and apparatus for the same
- Patent number 5,983,909
- Issue date Nov 16, 1999
- Frontec Incorporated
- Oh Eui Yeol
- G02 - OPTICS