Ruan; Zhigang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ruan; Zhigang.The latest application filed is for "error correction for dtmf corruption on uplink".

Company Profile

0.16.13

Ruan; Zhigang - Waterloo N/A CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method, system and apparatus for managing transports Grant 9,026,172 - Ruan , et al. May 5, 2	2015-05-05
Error correction for DTMF corruption on uplink Grant 8,615,280 - Kramarenko , et al. December 24, 2	2013-12-24
DTMF signalling between mobile and server Grant 8,606,256 - Ruan , et al. December 10, 2	2013-12-10
Method, system and apparatus for handling a call received at a mobile communication device Grant 8,583,096 - Ruan , et al. November 12, 2	2013-11-12
Systems and methods for continuous PIM synchronization between a host computer and a client handheld device Grant 8,548,943 - Agrawal , et al. October 1, 2	2013-10-01
Error Correction For Dtmf Corruption On Uplink App 20130217374 - Kramarenko; Valentina Iqorevna ; et al.	2013-08-22
User profiles Grant 8,423,030 - George , et al. April 16, 2	2013-04-16
Error correction for DTMF corruption on uplink Grant 8,423,102 - Kramarenko , et al. April 16, 2	2013-04-16
Dtmf Signalling Between Mobile And Server App 20130079043 - RUAN; Zhigang ; et al.	2013-03-28
Method, System And Apparatus For Handling A Call Received At A Mobile Communication Device App 20130045727 - RUAN; Zhigang ; et al.	2013-02-21
DTMF signalling between mobile and server Grant 8,346,235 - Ruan , et al. January 1, 2	2013-01-01
Method, system and apparatus for handling a call received at a mobile communication device Grant 8,326,275 - Ruan , et al. December 4, 2	2012-12-04
Error Correction For Dtmf Corruption On Uplink App 20120258698 - Kramarenko; Valentina Iqorevna ; et al.	2012-10-11
Error correction for DTMF corruption on uplink Grant 8,233,951 - Kramarenko , et al. July 31, 2	2012-07-31
User Profiles App 20120009929 - George; Richard John ; et al.	2012-01-12
Method, System And Apparatus For Managing Call Handoff App 20110261784 - ZENG; Ximing ; et al.	2011-10-27
Method, System And Apparatus For Handling A Call Received At A Mobile Communication Device App 20110263234 - Ruan; Zhigang ; et al.	2011-10-27
Method, System And Apparatus For Managing Transports App 20110263246 - RUAN; Zhigang ; et al.	2011-10-27
Dtmf Signalling Between Mobile And Server App 20110183649 - RUAN; ZHIGANG ; et al.	2011-07-28
Error Correction For Dtmf Corruption On Uplink App 20110183653 - Kramarenko; Valentina Iqorevna ; et al.	2011-07-28
System and method for generating runtime metadata for use in the development of mobile device applications Grant 7,840,605 - Ruan , et al. November 23, 2	2010-11-23
System And Method For Generating Runtime Metadata For Use In The Development Of Mobile Device Applications App 20090164972 - Ruan; Zhigang ; et al.	2009-06-25
System and method for generating runtime metadata for use in the development of mobile device applications Grant 7,516,141 - Ruan , et al. April 7, 2	2009-04-07
System and method for generating runtime metadata for use in the development of mobile device applications App 20070282889 - Ruan; Zhigang ; et al.	2007-12-06
Systems and methods for continuous PIM synchronization between a host computer and a client handheld device App 20060218224 - Agrawal; Anish ; et al.	2006-09-28

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.