Qing-Dong Guo

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Beam directing device
- Patent number 6,587,267
- Issue date Jul 1, 2003
- JDS Uniphase Inc.
- Kuochou Tai
- G02 - OPTICS
Information Patent Grant
Optical circulator
- Patent number 6,331,912
- Issue date Dec 18, 2001
- U.S.A Kaifa Technology, Inc.
- Vincent Au-Yeung
- G02 - OPTICS
Information Patent Grant
Optical circulator
- Patent number 5,930,039
- Issue date Jul 27, 1999
- U.S.A Kaifa Technology, Inc.
- Wei-Zhong Li
- G02 - OPTICS
Information Patent Grant
Optical circulator
- Patent number 5,909,310
- Issue date Jun 1, 1999
- U.S.A Kaifa Technology, Inc.
- Wei-Zhong Li
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Beam directing device
- Publication number 20030090796
- Publication date May 15, 2003
- Kuochou Tai
- G02 - OPTICS
Information Patent Application
OPTICAL CIRCULATOR
- Publication number 20020001130
- Publication date Jan 3, 2002
- VINCENT AU-YEUNG
- G02 - OPTICS