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Inventor

Ximing Zeng

Inventor
Waterloo, CA

Overview

14→
Patents
2012–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

H04Wprimary
H04WWireless communication networks25%
H04MTelephonic communication22%
LOC1616%
H04LTransmission of digital information, e.g. telegraphic communication13%
H04QSelecting13%
B60LPropulsion of electrically-propelled vehicles3%
H02JElectric power networks3%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems3%
Y02TClimate change mitigation technologies related to transportation3%
PatentTitleYear
11,038,433Phase alignment circuit and method of receive end, and receive end2021D0917604Tripod2021D0916173Tripod2021D0916172Tripod2021D0915495Tripod2021D0915494Mini tripod20219,167,616'System, apparatus and method for establishing a call from a mobile device'20158,718,019'Method, system and apparatus for managing call handoff'20148,615,280'Error correction for DTMF corruption on uplink'20138,606,256'DTMF signalling between mobile and server'20138,452,291'System and method for alternating between in-band and out-of-band communication path'20138,423,102'Error correction for DTMF corruption on uplink'20138,346,235'DTMF signalling between mobile and server'20138,233,951'Error correction for DTMF corruption on uplink'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2013Patents assigned to RESEARCH IN MOTION LTD (6)· patent assignee history
2012–2014Patents assigned to ZENG XIMING (5)· patent assignee history
2012–2013Patents assigned to RUAN ZHIGANG (3)· patent assignee history
2012–2015Based in Waterloo, CA· patent location history
2013–2015Patents assigned to BLACKBERRY LTD (4)· patent assignee history
2013Based in Wateloo, CA· patent location history
2021Patents assigned to ZHONGSHAN CAMBOFOTO PHOTOGRAPHIC EQUIPMENT CO LTD (4)· patent assignee history
2021Based in Ganzhou, CN· patent location history
2021Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RESEARCH IN MOTION LTD62012–2013
ZENG XIMINGself52012–2014
BLACKBERRY LTD42013–2015
ZHONGSHAN CAMBOFOTO PHOTOGRAPHIC EQUIPMENT CO LTD42021
RUAN ZHIGANG32012–2013
Locations
LocationPatentsSpan
Waterloo, CA72012–2015
Ganzhou, CN52021
Shenzhen, CN12021
Wateloo, CA12013