Kejian Guan

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Erbium-doped fiber amplifier and integrated module components
- Patent number 7,130,121
- Issue date Oct 31, 2006
- Lightwaves 2020, Inc.
- Jing-Jong Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Erbium-doped fiber amplifier and integrated circuit module components
- Patent number 7,044,660
- Issue date May 16, 2006
- Lightwaves 2020, Inc.
- Jing-Jong Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Erbium-doped fiber amplifier and integrated module components
- Patent number 6,922,281
- Issue date Jul 26, 2005
- Lightwaves 2020, Inc.
- Jing-Jong Pan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical circulators
- Patent number 6,445,499
- Issue date Sep 3, 2002
- JDS Uniphase Corporation
- Kok-Wai Chang
- G02 - OPTICS
Information Patent Grant
Optical isolator using multiple core fibers
- Patent number 6,317,250
- Issue date Nov 13, 2001
- E-Tek Dynamics, Inc.
- Kejian Guan
- G02 - OPTICS
Information Patent Grant
Reflection type optical isolator
- Patent number 6,246,518
- Issue date Jun 12, 2001
- E-Tek Dynamics, Inc.
- Kok Wai Chang
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Erbium-Doped Fiber Amplifier and Integrated Module Components
- Publication number 20060158718
- Publication date Jul 20, 2006
- Lightwaves 2020, Inc.
- Jing-Jong Pan
- G02 - OPTICS
Information Patent Application
ERBIUM-DOPED FIBER AMPLIFIER AND INTEGRATED CIRCUIT MODULE COMPONENTS
- Publication number 20050280888
- Publication date Dec 22, 2005
- Jing-Jong Pan
- G02 - OPTICS
Information Patent Application
Erbium-doped fiber amplifier and integrated module components
- Publication number 20030206335
- Publication date Nov 6, 2003
- Lightwaves 2020, Inc.
- Jing-Jong Pan
- G02 - OPTICS