Sung-Gi Ri

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
High efficiency indirect transition semiconductor ultraviolet light...
- Patent number 8,592,824
- Issue date Nov 26, 2013
- National Institute of Advanced Industrial Science and Technology
- Satoshi Yamasaki
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
High Efficiency Indirect Transition Semiconductor Ultraviolet Light...
- Publication number 20100001292
- Publication date Jan 7, 2010
- National Institute of Advanced Industrial Science
- Satoshi Yamasaki
- H01 - BASIC ELECTRIC ELEMENTS