Inventor

Changwen Liu

Inventor
Portland, OR, US

Overview

31→
Patents
2005–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 31 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication48%
H04WWireless communication networks27%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use6%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles2%
B60LPropulsion of electrically-propelled vehicles2%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology2%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof2%
F04BPositive-displacement machines for liquids2%
G06FElectric digital data processing2%
H04BTransmission2%
PatentTitleYear
10,594,672Secure node admission in a communication network202010,313,267Method and apparatus for implementing traffic flags for large service groups20199,942,168Method and apparatus for implementing traffic flags for large service groups20189,923,652'Frequency band selection for multiple home networks'20189,906,508'Secure node admission in a communication network'20189,807,030'Method and apparatus for implementing traffic flags for large service groups'20179,300,468'Secure node admission in a communication network'20169,008,077'Method for quick map recovery in case of error in MoCA'20158,831,015'MoCA-WiFi multiplexing'20148,699,704'Secure node admission in a communication network'20148,522,061'Method and apparatus of power management of a node in home entertainment network by shifting from a normal state into either a first low power state based on the traffic at the node or a second low power state upon receipt of a message granting a request for the second low power state at the node'20138,472,475'System and method for retransmission and fragmentation in a communication network'20138,397,855'Four-wheel drive electric vehicles'20138,351,997'Scheduling for power savings in a wireless network'20138,266,265'Data transmission over a network with channel bonding'20128,204,005'Wireless communication device and method for dynamic bidirectional aggregation of MAC frames with delayed channel access in a wireless network'20128,019,303'Multi-antenna multicarrier receiver and methods for adaptively adjusting a receive data rate based on channel utilization'20117,941,178'Systems and methods for scheduling transmissions for coexistence of differing wireless radio protocols'20117,787,487'Systems and methods for contention control in wireless networks'20107,787,398'Minimizing mutual interference for multi-radio co-existence platforms'20107,616,597'System and method for integrating mobile networking with security-based VPNs'20097,403,512'Service discovery architecture and method for wireless networks'20087,377,266'Integrated fuel feed apparatus'20087,376,143'Systems and methods for contention control in wireless networks'20087,349,350'Determining two node-disjoint paths using on-demand flooding'20087,342,916'Method, apparatus and system for optimizing routing of mobile IP packets'20087,206,300'Performance for integrated home agent and foreign agent'20077,136,364'Maintaining a reliable link'20067,089,312'System and method for reducing retransmissions due to tunneled TCP-in-TCP communication in a network'20067,039,404'Continuous mobility across wireless networks by integrating mobile IP and GPRS mobility agents'20066,934,257'Transferring transmission control protocol packets'2005

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2013Patents assigned to INTEL CORP (16)· patent assignee history
2005–2013Based in Portland, OR, US· patent location history
2008–2018Patents assigned to LIU CHANGWEN (11)· patent assignee history
2008Based in Zhejiang Province, CN· patent location history
2012–2016Patents assigned to ENTROPIC COMMUNICATIONS INC (7)· patent assignee history
2012–2018Patents assigned to LEE RONALD B (3)· patent assignee history
2012–2020Based in San Diego, CA, US· patent location history
2013Based in Shenzhen, CN· patent location history
2016–2020Patents assigned to ENTROPIC COMMUNICATIONS LLC (7)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INTEL CORP162005–2013
LIU CHANGWENself112008–2018
ENTROPIC COMMUNICATIONS INC72012–2016
ENTROPIC COMMUNICATIONS LLC72016–2020
LEE RONALD B32012–2018
Locations
LocationPatentsSpan
Portland, OR, US162005–2013
San Diego, California, US132012–2020
Shenzhen, CN12013
Zhejiang Province, CN12008