Chang; Chi-Chao

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chang; Chi-Chao.The latest application filed is for "method and apparatus for dynamic geo-fencing".

Company Profile

1.19.34

Chang; Chi-Chao - Palo Alto CA
Chang; Chi-Chao - Tainan N/A TW
CHANG; Chi-Chao - Tainan City TW
Chang; Chi-Chao - Santa Clara CA US
Chang; Chi-Chao - San Clara 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 and Apparatus for Dynamic Geo-Fencing App 20210314737 - Chang; Chi-Chao ; et al.	2021-10-07
Method and apparatus for dynamic geo-fencing Grant 11,044,579 - Chang , et al. June 22, 2	2021-06-22
Radio frequency identification chip device Grant 10,685,270 - Chang , et al.	2020-06-16
System and method for estimating mobile device locations Grant 10,089,653 - Muttineni , et al. October 2, 2	2018-10-02
Radio Frequency Identification Chip Device App 20180232613 - CHANG; Chi-Chao ; et al.	2018-08-16
Method and Apparatus for Dynamic Geo-Fencing App 20180199152 - Chang; Chi-Chao ; et al.	2018-07-12
System and Method for Estimating Mobile Device Locations App 20180158108 - Muttineni; Prakash ; et al.	2018-06-07
Anonymous authentification method and authentification system using the same Grant 9,977,891 - Chang May 22, 2	2018-05-22
System and method for estimating mobile device locations Grant 9,886,703 - Muttineni , et al. February 6, 2	2018-02-06
Anonymous Authentification Method And Authentification System Using The Same App 20170063804 - CHANG; Chi-Chao	2017-03-02
System and Method for Estimating Mobile Device Locations App 20160019592 - Muttineni; Prakash ; et al.	2016-01-21
Method and apparatus for geographic document retrieval Grant 9,210,540 - Chang , et al. December 8, 2	2015-12-08
Method and apparatus for probabilistic user location Grant 9,049,549 - Chang , et al. June 2, 2	2015-06-02
Method and Apparatus for Dynamic Fencing App 20140129293 - Chang; Chi-Chao ; et al.	2014-05-08
Method and Apparatus for Geographic Document Retrieval App 20140129566 - Chang; Chi-Chao ; et al.	2014-05-08
Method and Apparatus for Probabilistic User Location App 20140128104 - Chang; Chi-Chao ; et al.	2014-05-08
System and method of identifying and measuring response to user interface design Grant 8,719,715 - Chang , et al. May 6, 2	2014-05-06
Chip card device Grant 8,455,779 - Chang June 4, 2	2013-06-04
Chip Card Device App 20120181158 - CHANG; Chi-Chao	2012-07-19
Auction-pricing many substitute products Grant 8,156,032 - Chang , et al. April 10, 2	2012-04-10
Method And System To Monetize Domain Queries In Sponsored Search App 20120072281 - Chang; Chi-Chao ; et al.	2012-03-22
System for generating query suggestions using a network of users and advertisers Grant 7,921,107 - Chang , et al. April 5, 2	2011-04-05
System for generating query suggestions by integrating valuable query suggestions with experimental query suggestions using a network of users and advertisers Grant 7,849,080 - Chang , et al. December 7, 2	2010-12-07
System and method of identifying and measuring response to user interface design Grant 7,827,004 - Chang , et al. November 2, 2	2010-11-02
System And Method Of Identifying And Measuring Response To User Interface Design App 20100275138 - Chang; Chi-Chao ; et al.	2010-10-28
Bidding System for Guaranteed Advertising Contracts in an Online Spot Market App 20100106613 - Bhatia; Tarun ; et al.	2010-04-29
Multi-Stage Bidding System for Guaranteed Advertising Contracts in a Network of Networks App 20100106604 - Bhatia; Tarun ; et al.	2010-04-29
Method And System For Constructing And Delivering Sponsored Search Futures Contracts App 20090254410 - Chang; Chi-Chao ; et al.	2009-10-08
Method and apparatus for search ranking using human input and automated ranking Grant 7,599,911 - Manber , et al. October 6, 2	2009-10-06
Optimizing Query Rewrites For Keyword-based Advertising App 20090216710 - Chang; Chi-Chao ; et al.	2009-08-27
System and Method for Market Reserve Price Modeling in Online Auctions with Advanced Match App 20090164298 - Gluhovsky; Ilya ; et al.	2009-06-25
Auction-Pricing Many Substitute Products App 20090112653 - Chang; Chi-Chao ; et al.	2009-04-30
System and method for visualizing and relevance tuning search engine ranking functions App 20090063464 - Chang; Chi-Chao ; et al.	2009-03-05
System For Generating Query Suggestions By Integrating Valuable Query Suggestions With Experimental Query Suggestions Using A Network Of Users And Advertisers App 20080256061 - Chang; Chi-Chao ; et al.	2008-10-16
System for building a data structure representing a network of users and advertisers App 20080256056 - Chang; Chi-Chao ; et al.	2008-10-16
System For Optimizing The Performance Of Online Advertisements Using A Network Of Users And Advertisers App 20080255937 - Chang; Chi-Chao ; et al.	2008-10-16
System For Generating Query Suggestions Using A Network Of Users And Advertisers App 20080256059 - Chang; Chi-Chao ; et al.	2008-10-16
System And Method For Understanding Relationships Between Keywords And Advertisements App 20080256034 - Chang; Chi-Chao ; et al.	2008-10-16
System For Determining The Quality Of Query Suggestions Using A Network Of Users And Advertisers App 20080256060 - Chang; Chi-Chao ; et al.	2008-10-16
System For Determining The Quality Of Query Suggestion Systems Using A Network Of Users And Advertisers App 20080256039 - Chang; Chi-Chao ; et al.	2008-10-16
System and method for generating forecasted bids for advertisement keywords App 20080103893 - Nagarajan; Anantharaman ; et al.	2008-05-01
System and method for advertisement price adjustment utilizing traffic quality data App 20080091524 - Yan; Tak W. ; et al.	2008-04-17
System and method of identifying and measuring response to user interface design App 20080028330 - Chang; Chi-Chao ; et al.	2008-01-31
System and method of information retrieval engine evaluation using human judgment input App 20080027913 - Chang; Chi-Chao ; et al.	2008-01-31
System and method for forecasting the performance of advertisements App 20070255690 - Chang; Chi-Chao ; et al.	2007-11-01
Systems and methods for matching participants to a conversation Grant 7,120,668 - Manber , et al. October 10, 2	2006-10-10
Systems and methods for matching participants to a conversation App 20040078432 - Manber, Udi ; et al.	2004-04-22
Method and apparatus for search ranking using human input and automated ranking App 20040024752 - Manber, Udi ; et al.	2004-02-05
Systems and methods for matching participants to a conversation Grant 6,651,086 - Manber , et al. November 18, 2	2003-11-18

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.