Qiu; Weigen

Patent Applications and Registrations

Patent applications and USPTO patent grants for Qiu; Weigen.The latest application filed is for "geofence with kalman filter".

Company Profile

0.14.20

Qiu; Weigen - Calgary CA
Qiu; Weigen - Alberta 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
Geofence with kalman filter Grant 9,591,444 - Qiu March 7, 2	2017-03-07
Systems and methods for character correction in communication devices Grant 9,460,066 - Qiu , et al. October 4, 2	2016-10-04
Geofence with Kalman filter Grant 9,420,421 - Qiu August 16, 2	2016-08-16
Geofence with Kalman Filter App 20160183052 - Qiu; Weigen	2016-06-23
Location Trust Score App 20160128017 - Qiu; Weigen ; et al.	2016-05-05
Location Trust Score App 20150327208 - Qiu; Weigen ; et al.	2015-11-12
Geofence with Kalman Filter App 20150319570 - Qiu; Weigen	2015-11-05
Geofence with kalman filter Grant 9,113,298 - Qiu August 18, 2	2015-08-18
Inquiry-oriented user input apparatus and method Grant 9,069,822 - Qiu , et al. June 30, 2	2015-06-30
Geofence App 20150141045 - Qiu; Weigen ; et al.	2015-05-21
Inquiry-oriented User Input Apparatus And Method App 20140074883 - QIU; Weigen ; et al.	2014-03-13
Geofence With Kalman Filter App 20130331128 - Qiu; Weigen	2013-12-12
Inquiry-oriented user input apparatus and method Grant 8,589,417 - Qiu , et al. November 19, 2	2013-11-19
Systems And Methods For Character Correction In Communication Devices App 20130205204 - QIU; Weigen ; et al.	2013-08-08
Systems and methods for character correction in communication devices Grant 8,401,314 - Qiu , et al. March 19, 2	2013-03-19
Systems And Methods For Character Correction In Communication Devices App 20120130706 - QIU; Weigen ; et al.	2012-05-24
Systems and methods for semi-automatic dialing from a mixed entry sequence having numeric and non-numeric data Grant 8,159,371 - Qiu April 17, 2	2012-04-17
Generalized language independent index storage system and searching method Grant 8,099,416 - Qiu , et al. January 17, 2	2012-01-17
Systems and methods for character correction in communication devices Grant 8,077,983 - Qiu , et al. December 13, 2	2011-12-13
Inquiry-oriented User Input Apparatus And Method App 20110258551 - QIU; Weigen ; et al.	2011-10-20
Inquiry-oriented user input apparatus and method Grant 7,974,979 - Qiu , et al. July 5, 2	2011-07-05
Systems and Methods for Semi-Automatic Dialing from a Mixed Entry Sequence Having Numeric and Non-Numeric Data App 20090154682 - Qiu; Weigen	2009-06-18
Inquiry-Oriented User Input Apparatus And Method App 20090150383 - Qiu; Weigen ; et al.	2009-06-11
Systems And Methods For Character Correction In Communication Devices App 20090092323 - Qiu; Weigen ; et al.	2009-04-09
Generalized Language Independent Index Storage System And Searching Method App 20080263015 - Qiu; Weigen ; et al.	2008-10-23
Method And System Of Identifying An Ideographic Character App 20070192311 - Pun; Samuel Yin Lun ; et al.	2007-08-16
Method and apparatus for Chinese character text input Grant 7,257,528 - Ritchie , et al. August 14, 2	2007-08-14
Text entry system and method App 20060236239 - Simpson; Todd Garrett ; et al.	2006-10-19
Use of pointing device to identify ideographic characters App 20060129928 - Qiu; Weigen	2006-06-15

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