P

Inventor

ZENG XIMING

CA8 patents
⚠️ This page may combine multiple inventors who share the name “ZENG XIMING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RESEARCH IN MOTION LTD

3 patents
US8606256B2Dec 10, 2013

DTMF signalling between mobile and server

RESEARCH IN MOTION LTD0 citations48
US8346235B2Jan 1, 2013

DTMF signalling between mobile and server

RESEARCH IN MOTION LTD0 citations48
US8615280B2Dec 24, 2013

Error correction for DTMF corruption on uplink

RESEARCH IN MOTION LTD0 citations43

KRAMARENKO VALENTINA IQOREVNA

2 patents
US8423102B2Apr 16, 2013

Error correction for DTMF corruption on uplink

KRAMARENKO VALENTINA IQOREVNA0 citations48
US8233951B2Jul 31, 2012

Error correction for DTMF corruption on uplink

KRAMARENKO VALENTINA IQOREVNA0 citations48

GAO DAPENG

1 patent
US8452291B2May 28, 2013

System and method for alternating between in-band and out-of-band communication path

GAO DAPENG2 citations58

BLACKBERRY LTD

1 patent
US9167616B2Oct 20, 2015

System, apparatus and method for establishing a call from a mobile device

BLACKBERRY LTD0 citations45

ZENG XIMING

1 patent
US8718019B2May 6, 2014

Method, system and apparatus for managing call handoff

ZENG XIMING0 citations31