Chang; Heng

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Heng.The latest application filed is for "multi-function ruler".

Company Profile

2.10.14

Chang; Heng - Shenzhen CN
Chang; Heng - New Taipei City TW

*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 for creating context aware application and user terminal Grant 10,489,221 - Zhao , et al. Nov	2019-11-26
Method and apparatus for sharing environment context Grant 10,430,414 - Chang , et al. O	2019-10-01
Multi-function Ruler App 20180172415 - Chu; Chi-Ming ; et al.	2018-06-21
Method For Creating Context Aware Application And User Terminal App 20170161123 - ZHAO; Qingwei ; et al.	2017-06-08
Method and Apparatus for Sharing Environment Context App 20160253388 - Chang; Heng ; et al.	2016-09-01
Smart space access method, system, controller, and smart space interface server Grant 9,398,006 - Chang , et al. July 19, 2	2016-07-19
Method and system for processing request message, and load balancer device Grant 9,357,028 - Zou , et al. May 31, 2	2016-05-31
Method, apparatus and system for obtaining user information Grant 8,875,225 - Chang , et al. October 28, 2	2014-10-28
Service routing method and system on service overlay network Grant 8,780,883 - Koteeswara , et al. July 15, 2	2014-07-15
Method, apparatus, and system for implementing service roaming Grant 8,731,545 - Wang , et al. May 20, 2	2014-05-20
Smart Space Access Method, System, Controller, And Smart Space Interface Server App 20140115685 - CHANG; Heng ; et al.	2014-04-24
Service Routing Method and System on Service Overlay Network App 20130094504 - Koteeswara; Prabhu A. ; et al.	2013-04-18
Method, Apparatus And System For Obtaining User Information App 20120246716 - Chang; Heng ; et al.	2012-09-27
Method And System For Processing Request Message, And Load Balancer Device App 20120233248 - Zou; Xianjun ; et al.	2012-09-13
Method, Apparatus, And System For Implementing Service Roaming App 20110268039 - Wang; Huan ; et al.	2011-11-03
Method, System, And Device For Service Negotiation App 20110238840 - Shi; Xiaomin ; et al.	2011-09-29
Method, Apparatus, And System For Accessing Services Over The Extensible Messaging And Presence Protocol App 20110173324 - Wang; Huan ; et al.	2011-07-14
Method And System For Providing Service Functions App 20090119367 - SHI; Xiaomin ; et al.	2009-05-07
Method And System For Detecting Trace Status, Trace Agent And Trace Control Server App 20090043709 - CHANG; Heng ; et al.	2009-02-12
System And Method For Creating, Executing, And Mapping Service App 20080289012 - Shi; Xiaomin ; et al.	2008-11-20

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.