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Yuejun Yan
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Shenzhen, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Device for adjusting electric parameters
Patent number
8,476,544
Issue date
Jul 2, 2013
Yantel Corporation
Yuejun Yan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Variable attenuator
Patent number
8,212,648
Issue date
Jul 3, 2012
Yantel Corporation
Yuejun Yan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Coaxial connector
Patent number
8,100,721
Issue date
Jan 24, 2012
Yantel Corporation
Yuejun Yan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Portable digital photographing system combining position navigation...
Patent number
8,102,420
Issue date
Jan 24, 2012
Yuejun Yan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Variable inductor
Patent number
8,102,232
Issue date
Jan 24, 2012
Yuejun Yan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Variable attenuator
Patent number
8,089,338
Issue date
Jan 3, 2012
Yantel Corporation
Yuejun Yan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Temperature compensation attenuator
Patent number
7,990,230
Issue date
Aug 2, 2011
Yantel Corporation
Yuejun Yan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Temperature compensation attenuator
Patent number
7,629,861
Issue date
Dec 8, 2009
Yantel Corporation
Yuejun Yan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Temperature compensation attenuator
Patent number
7,528,677
Issue date
May 5, 2009
Yuejun Yan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
FET bias circuit
Patent number
7,420,420
Issue date
Sep 2, 2008
Yuejun Yan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Temperature compensation attenuator
Patent number
7,362,196
Issue date
Apr 22, 2008
Yantel Corporation
Yuejun Yan
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
COAXIAL CONNECTOR
Publication number
20110281461
Publication date
Nov 17, 2011
Yantel Corporation
Yuejun YAN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DEVICE FOR ADJUSTING ELECTRIC PARAMETERS
Publication number
20110114466
Publication date
May 19, 2011
Yantel Corporation
Yuejun Yan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
VARIABLE ATTENUATOR
Publication number
20100141363
Publication date
Jun 10, 2010
Yantel Corporation
Yuejun Yan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TEMPERATURE COMPENSATION ATTENUATOR
Publication number
20090231067
Publication date
Sep 17, 2009
Yuejun YAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TEMPERATURE COMPENSATION ATTENUATOR
Publication number
20090160601
Publication date
Jun 25, 2009
Yuejun YAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FLOATING CABLE-FED INFORMATION TRANSCEIVER APPARATUS
Publication number
20080233896
Publication date
Sep 25, 2008
Yuejun Yan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PORTABLE DIGITAL PHOTOGRAPHING SYSTEM COMBINING POSITION NAVIGATION...
Publication number
20080231697
Publication date
Sep 25, 2008
Yuejun YAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TEMPERATURE COMPENSATION ATTENUATOR
Publication number
20080211606
Publication date
Sep 4, 2008
Yuejun YAN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
VARIABLE INDUCTOR
Publication number
20080122568
Publication date
May 29, 2008
Yuejun YAN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
STEERING WHEEL
Publication number
20080083297
Publication date
Apr 10, 2008
Yuejun Yan
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Variable Inductor
Publication number
20080007384
Publication date
Jan 10, 2008
Yuejun YAN
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TOY COMBAT GAMING SYSTEM
Publication number
20070243914
Publication date
Oct 18, 2007
Yuejun YAN
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Application
Fet Bias Circuit
Publication number
20070229153
Publication date
Oct 4, 2007
Yuejun Yan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Temperature compensation attenuator
Publication number
20070182523
Publication date
Aug 9, 2007
Yantel Corporation
Yuejun Yan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
VARIABLE ATTENUATOR
Publication number
20070176730
Publication date
Aug 2, 2007
Yuejun YAN
H01 - BASIC ELECTRIC ELEMENTS