Assignee
CHANG CHI-CHAO
US·4 granted patents·4 pending applications·3 citations·filing 2006–2018
Top patents by PatentIndex Score
8 records- 0169US8156032B2Auction-pricing many substitute productsCHANG CHI-CHAO·Filed 2007·Granted Apr 10, 2012·3 cites·8 claims
- 0251US2008256034A1System and method for understanding relationships between keywords and advertisementsCHANG CHI-CHAO·Filed 2007·Application pending·0 cites
- 0346US2012072281A1Method and system to monetize domain queries in sponsored searchCHANG CHI-CHAO·Filed 2010·Application pending·0 cites
- 0445US8719715B2System and method of identifying and measuring response to user interface designCHANG CHI-CHAO·Filed 2010·Granted May 6, 2014·0 cites·12 claims
- 0544US8455779B2Chip card deviceCHANG CHI-CHAO·Filed 2011·Granted Jun 4, 2013·0 cites·6 claims
- 0643US2009063464A1System and method for visualizing and relevance tuning search engine ranking functionsCHANG CHI-CHAO·Filed 2007·Application pending·0 cites
- 0743US2007255690A1System and method for forecasting the performance of advertisementsCHANG CHI-CHAO·Filed 2006·Application pending·0 cites
- 0840US10685270B2Radio frequency identification chip deviceCHANG CHI CHAO·Filed 2018·Granted Jun 16, 2020·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when CHANG CHI-CHAO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →