Yeung Joon Sohn

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Taejon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Planar focusing grating coupler
- Patent number 7,283,705
- Issue date Oct 16, 2007
- Electronics and Telecommunications Research Institute
- Mun Cheol Paek
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording layer of magneto-optical storage medium having sublayer a...
- Patent number 7,153,540
- Issue date Dec 26, 2006
- Electronics and Telecommunications Research Institiute
- Dong Woo Suh
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus for measuring slant angle of solid immersion lens
- Patent number 6,693,705
- Issue date Feb 17, 2004
- Electronics and Telecommunications Research Institute
- Yeung Joon Sohn
- G01 - MEASURING TESTING
Information Patent Grant
Multiple optical-recording apparatus using solid immersion lens
- Patent number 6,563,784
- Issue date May 13, 2003
- Electronics and Telecommunications Research Institute
- Gee Pyeong Han
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Recording layer of magneto-optical storage medium having sublayer a...
- Publication number 20070054152
- Publication date Mar 8, 2007
- Electronics and Telecommunications Research Institute.
- Dong Woo Suh
- G11 - INFORMATION STORAGE
Information Patent Application
Planar focusing grating coupler
- Publication number 20050141812
- Publication date Jun 30, 2005
- Mun Cheol Paek
- G02 - OPTICS
Information Patent Application
Recording layer of magneto-optical storage medium having sublayer a...
- Publication number 20040115482
- Publication date Jun 17, 2004
- Dong Woo Suh
- G11 - INFORMATION STORAGE
Information Patent Application
Apparatus for measuring slant angle of solid immersion lens
- Publication number 20030123053
- Publication date Jul 3, 2003
- Yeung Joon Sohn
- G01 - MEASURING TESTING
Information Patent Application
Multiple optical-recording apparatus using solid immersion lens
- Publication number 20020167893
- Publication date Nov 14, 2002
- Gee Pyeong Han
- B82 - NANO-TECHNOLOGY