Yu Rong

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Germantown, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronically tunable combline filters tuned by tunable dielectric...
- Patent number 6,801,104
- Issue date Oct 5, 2004
- Paratek Microwave, Inc.
- Yongfei Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microstrip tunable filters tuned by dielectric varactors
- Patent number 6,525,630
- Issue date Feb 25, 2003
- Paratek Microwave, Inc.
- Yongfei Zhu
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Electronically tunable combline filters tuned by tunable dielectric...
- Publication number 20050116796
- Publication date Jun 2, 2005
- Yongfei Zhu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electronically tunable combline filters tuned by tunable dielectric...
- Publication number 20030210109
- Publication date Nov 13, 2003
- Yongfei Zhu
- H01 - BASIC ELECTRIC ELEMENTS