Inventor · disambiguated record
Chi-Chao Chang
Also filed as: CHANG CHI-CHAO
18 granted patents·13 pending applications·614 citations·filing 2000–2023
94Inventor score
Top patents by PatentIndex Score
31 records- 0198US6651086B1Systems and methods for matching participants to a conversationYAHOO INC·Filed 2000·Granted Nov 18, 2003·268 cites·23 claims
- 0296US7921107B2System for generating query suggestions using a network of users and advertisersYAHOO INC·Filed 2007·Granted Apr 5, 2011·131 cites·23 claims
- 0395US7849080B2System for generating query suggestions by integrating valuable query suggestions with experimental query suggestions using a network of users and advertisersYAHOO INC·Filed 2007·Granted Dec 7, 2010·81 cites·20 claims
- 0492US7120668B2Systems and methods for matching participants to a conversationYAHOO INC·Filed 2003·Granted Oct 10, 2006·77 cites·23 claims
- 0590US9049549B2Method and apparatus for probabilistic user locationXAD INC·Filed 2013·Granted Jun 2, 2015·9 cites·24 claims
- 0685US9886703B2System and method for estimating mobile device locationsXAD INC·Filed 2015·Granted Feb 6, 2018·4 cites·25 claims
- 0783US11044579B2Method and apparatus for dynamic geo-fencingXAD INC·Filed 2018·Granted Jun 22, 2021·3 cites·20 claims
- 0880US7827004B2System and method of identifying and measuring response to user interface designYAHOO INC·Filed 2006·Granted Nov 2, 2010·9 cites·5 claims
- 0979US12075314B2Method and apparatus for dynamic geo-fencingXAD INC·Filed 2023·Granted Aug 27, 2024·0 cites·20 claims
- 1079US7599911B2Method and apparatus for search ranking using human input and automated rankingYAHOO INC·Filed 2002·Granted Oct 6, 2009·29 cites·18 claims
- 1172US11570583B2Method and apparatus for dynamic geo-fencingXAD INC·Filed 2021·Granted Jan 31, 2023·0 cites·20 claims
- 1269US8156032B2Auction-pricing many substitute productsCHANG CHI-CHAO·Filed 2007·Granted Apr 10, 2012·3 cites·8 claims
- 1359US10089653B2System and method for estimating mobile device locationsXAD INC·Filed 2018·Granted Oct 2, 2018·0 cites·18 claims
- 1459US2008256056A1System for building a data structure representing a network of users and advertisersYAHOO INC·Filed 2007·Application pending·0 cites
- 1556US2009164298A1System and Method for Market Reserve Price Modeling in Online Auctions with Advanced MatchYAHOO INC·Filed 2007·Application pending·0 cites
- 1654US9210540B2Method and apparatus for geographic document retrievalXAD INC·Filed 2013·Granted Dec 8, 2015·0 cites·20 claims
- 1754US2010106604A1Multi-Stage Bidding System for Guaranteed Advertising Contracts in a Network of NetworksBHATIA TARUN·Filed 2008·Application pending·0 cites
- 1854US2010106613A1Bidding System for Guaranteed Advertising Contracts in an Online Spot MarketBHATIA TARUN·Filed 2008·Application pending·0 cites
- 1953US2009254410A1Method and system for constructing and delivering sponsored search futures contractsYAHOO INC·Filed 2008·Application pending·0 cites
- 2051US2008256034A1System and method for understanding relationships between keywords and advertisementsCHANG CHI-CHAO·Filed 2007·Application pending·0 cites
- 2149US2008091524A1System and method for advertisement price adjustment utilizing traffic quality dataYAHOO INC·Filed 2006·Application pending·0 cites
- 2247US2008103893A1System and method for generating forecasted bids for advertisement keywordsYAHOO INC·Filed 2006·Application pending·0 cites
- 2346US2012072281A1Method and system to monetize domain queries in sponsored searchCHANG CHI-CHAO·Filed 2010·Application pending·0 cites
- 2445US8719715B2System and method of identifying and measuring response to user interface designCHANG CHI-CHAO·Filed 2010·Granted May 6, 2014·0 cites·12 claims
- 2544US8455779B2Chip card deviceCHANG CHI-CHAO·Filed 2011·Granted Jun 4, 2013·0 cites·6 claims
- 2644US2008027913A1System and method of information retrieval engine evaluation using human judgment inputYAHOO INC·Filed 2006·Application pending·0 cites
- 2743US2009063464A1System and method for visualizing and relevance tuning search engine ranking functionsCHANG CHI-CHAO·Filed 2007·Application pending·0 cites
- 2843US2007255690A1System and method for forecasting the performance of advertisementsCHANG CHI-CHAO·Filed 2006·Application pending·0 cites
- 2942US2009216710A1Optimizing query rewrites for keyword-based advertisingYAHOO INC·Filed 2008·Application pending·0 cites
- 3040US10685270B2Radio frequency identification chip deviceCHANG CHI CHAO·Filed 2018·Granted Jun 16, 2020·0 cites·3 claims
- 3135US9977891B2Anonymous authentification method and authentification system using the sameCHANG JUNG CHRISTIAN UNIV·Filed 2016·Granted May 22, 2018·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →