Yang-Hyun Seok

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Objective lens drive apparatus where interaction of drive magnets a...
- Patent number 8,255,936
- Issue date Aug 28, 2012
- Ricoh Company, Ltd.
- Goichi Akanuma
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Objective lens drive apparatus, optical pickup, and optical disk ap...
- Publication number 20080151737
- Publication date Jun 26, 2008
- Goichi Akanuma
- G11 - INFORMATION STORAGE