Sung-kyu Ha

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Hwaseong-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Spindle structure and optical disc drive including the spindle stru...
- Patent number 9,003,434
- Issue date Apr 7, 2015
- Toshiba Samsung Storage Technology Korea Corporation
- Cheol-woong Ahn
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SPINDLE STRUCTURE AND OPTICAL DISC DRIVE INCLUDING THE SPINDLE STRU...
- Publication number 20130247076
- Publication date Sep 19, 2013
- TOSHIBA SAMSUNG STORAGE TECHNOLOGY KOREA CORPORATION
- Cheol-woong Ahn
- G11 - INFORMATION STORAGE