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Ping Liu
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South Surrey, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Adaptive current limiter for wireless modem
Patent number
7,586,724
Issue date
Sep 8, 2009
Sierra Wireless, Inc.
Ping Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatuses for thermal dissipation
Patent number
7,474,534
Issue date
Jan 6, 2009
Sierra Wireless, Inc.
Ping Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Methods and apparatuses for thermal dissipation
Patent number
7,388,753
Issue date
Jun 17, 2008
Sierra Wireless, Inc.
Ping Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Peak current control in wireless network interface devices
Patent number
7,343,175
Issue date
Mar 11, 2008
Sierra Wireless, Inc.
Ping Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive current limiter for wireless modem
Patent number
7,106,569
Issue date
Sep 12, 2006
Sierra Wireless, Inc.
Ping Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Smart host power supply detection for PC card wireless modem
Patent number
6,985,757
Issue date
Jan 10, 2006
Sierra Wireless, Inc.
Ping Liu
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Methods and apparatuses for thermal dissipation
Publication number
20080068804
Publication date
Mar 20, 2008
Sierra Wireless, Inc.
Ping Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Methods and apparatus for providing input voltages to power amplifiers
Publication number
20080032643
Publication date
Feb 7, 2008
Sierra Wireless, Inc. a Canadian Corp.
Ping Liu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Adaptive current limiter for wireless modem
Publication number
20070035895
Publication date
Feb 15, 2007
Sierra Wireless, Inc.
Ping Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Methods and apparatuses for providing combination personal computer...
Publication number
20060259651
Publication date
Nov 16, 2006
Sierra Wireless, Inc.
Ping Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Methods and apparatuses for thermal dissipation
Publication number
20060256529
Publication date
Nov 16, 2006
Sierra Wireless, Inc.
Ping Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Smart host power supply detection for PC card wireless modem
Publication number
20040204091
Publication date
Oct 14, 2004
Sierra Wireless, Inc., a Canadian Corporation
Ping Liu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Adaptive current limiter for wireless modem
Publication number
20040100748
Publication date
May 27, 2004
Sierra Wireless., Inc., a Canadian Corporation
Ping Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mechanism for wireless modem power control
Publication number
20030051178
Publication date
Mar 13, 2003
Ping Liu
G06 - COMPUTING CALCULATING COUNTING