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No Kyong Park
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Suwon-City, KR
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Patents Grants
last 30 patents
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Patent Grant
Optical pickup using an optical phase plate and which is compatible...
Patent number
7,072,114
Issue date
Jul 4, 2006
Samsung Electronics Co., Ltd.
Jang Hoon Yoo
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup using an optical phase plate and which is compatible...
Patent number
6,985,293
Issue date
Jan 10, 2006
Samsung Electronics Co., Ltd.
Jang Hoon Yoo
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup using an optical phase plate
Patent number
6,791,933
Issue date
Sep 14, 2004
Samsung Electronics Co., Ltd.
Jang Hoon Yoo
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup using an optical phase plate
Patent number
6,275,461
Issue date
Aug 14, 2001
Samsung Electronic Co., Ltd.
Jang Hoon Yoo
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup using an optical phase plate
Patent number
6,272,096
Issue date
Aug 7, 2001
Samsung Electronics Co., Ltd.
Jang Hoon Yoo
G02 - OPTICS
Information
Patent Grant
Optical pickup using an optical phase plate
Patent number
6,222,812
Issue date
Apr 24, 2001
Samsung Electronics Co., Ltd.
Jang Hoon Yoo
G02 - OPTICS
Information
Patent Grant
Optical pickup having plural optical sources and plural optical det...
Patent number
5,933,401
Issue date
Aug 3, 1999
Samsung Electronics Co., Ltd.
Chul-woo Lee
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Optical pickup using an optical phase plate and which is compatible...
Publication number
20060033996
Publication date
Feb 16, 2006
Samsung Electronics Co., Ltd.
Jang Hoon Yoo
G02 - OPTICS
Information
Patent Application
Optical pickup using an optical phase plate and which is compatible...
Publication number
20030210638
Publication date
Nov 13, 2003
Samsung Electronics Co., Ltd.
Jang Hoon Yoo
G02 - OPTICS
Information
Patent Application
Optical pickup using an optical phase plate
Publication number
20010000310
Publication date
Apr 19, 2001
Jang Hoon Yoo
G02 - OPTICS