Inventor · disambiguated record
Chih-Chao Chang
Also filed as: CHANG CHIH-CHAO
6 granted patents·13 pending applications·14 citations·filing 2002–2024
73Inventor score
Files withCHANG CHIH-CHAO4CHO YAO-LIN4UNITY OPTO TECHNOLOGY CO LTD3WU KUO CHENG3CHUNGHWA PICTURE TUBES LTD2
Top patents by PatentIndex Score
19 records- 0175US8420970B2Touch panelCHANG CHIH-CHAO·Filed 2011·Granted Apr 16, 2013·6 cites·10 claims
- 0257US8803019B2Electrode array of touch panelCHANG CHIH-CHAO·Filed 2012·Granted Aug 12, 2014·1 cites·9 claims
- 0357US2024149403A1SocketWU KUO CHENG·Filed 2024·Application pending·0 cites
- 0455US2024042581A1Socket for tightening and loosening normal and worn boltsCHO YAO LIN·Filed 2023·Application pending·0 cites
- 0547US2020023498A1Socket with driving protrusionsCHO YAO LIN·Filed 2019·Application pending·0 cites
- 0646US2010096306A1Water filter with sterilizing functionCHANG CHIH-CHAO·Filed 2009·Application pending·0 cites
- 0745US9484505B2LED structure applied to backlight sourceUNITY OPTO TECHNOLOGY CO LTD·Filed 2014·Granted Nov 1, 2016·0 cites·2 claims
- 0845US2020078908A1SocketWU KUO CHENG·Filed 2018·Application pending·0 cites
- 0945US2021086331A1SocketWU KUO CHENG·Filed 2020·Application pending·0 cites
- 1045US2021205963A1Socket removably attached to a tool and having driving protrusionsCHO YAO LIN·Filed 2021·Application pending·0 cites
- 1143USD472937SDevice for illuminating palm-top TV gameFiled 2002·Granted Apr 8, 2003·7 cites·1 claims
- 1241US2009171728A1Simulation framework for evaluating designs for sponsored search marketsYAN TAK W·Filed 2007·Application pending·0 cites
- 1341US2019001469A1Socket with driving protrusionsCHO YAO LIN·Filed 2017·Application pending·0 cites
- 1440US2019369440A1Display apparatusCHUNGHWA PICTURE TUBES LTD·Filed 2018·Application pending·0 cites
- 1538US9806235B2Light emitting diode bracketUNITY OPTO TECHNOLOGY CO LTD·Filed 2015·Granted Oct 31, 2017·0 cites·2 claims
- 1634US2009189716A1Filter device with finite transmission zerosUNIV NAT TAIWAN·Filed 2008·Application pending·0 cites
- 1732US2011291984A1Capacitive touch panel and ghost point determination methodCHANG CHIH-CHAO·Filed 2010·Application pending·0 cites
- 1831US2017293377A1Handheld electronic deviceCHUNGHWA PICTURE TUBES LTD·Filed 2016·Application pending·0 cites
- 1929US9419188B2LED luminous structure for backlight sourceUNITY OPTO TECHNOLOGY CO LTD·Filed 2015·Granted Aug 16, 2016·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Chih-Chao Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →