Inventor · disambiguated record
Chienliu Chang
Also filed as: CHANG CHIENLIU
30 granted patents·6 pending applications·400 citations·filing 2006–2022
96Inventor score
Top patents by PatentIndex Score
36 records- 0198US7767106B2Method of dry etching oxide semiconductor filmCANON KK·Filed 2007·Granted Aug 3, 2010·137 cites·7 claims
- 0297US8168544B2Oxide etching methodCHANG CHIENLIU·Filed 2007·Granted May 1, 2012·127 cites·4 claims
- 0393US7960289B2Etching method, pattern forming process, thin-film transistor fabrication process, and etching solutionCANON KK·Filed 2007·Granted Jun 14, 2011·20 cites·9 claims
- 0490US8426235B2Method for manufacturing capacitive electromechanical transducerCHANG CHIENLIU·Filed 2010·Granted Apr 23, 2013·9 cites·11 claims
- 0589US8039836B2Semiconductor deviceCANON KK·Filed 2010·Granted Oct 18, 2011·10 cites·7 claims
- 0688US9154057B2Electromechanical transducer device and analyte information acquiring apparatusAKIYAMA TAKAHIRO·Filed 2011·Granted Oct 6, 2015·7 cites·8 claims
- 0785US8371018B2Electromechanical transducer and manufacturing method thereforCANON KK·Filed 2008·Granted Feb 12, 2013·14 cites·10 claims
- 0882US8339014B2Oscillator deviceKANDORI ATSUSHI·Filed 2008·Granted Dec 25, 2012·11 cites·8 claims
- 0981US8288192B2Method of manufacturing a capacitive electromechanical transducerCHANG CHIENLIU·Filed 2009·Granted Oct 16, 2012·11 cites·12 claims
- 1080US8760031B2Electromechanical transducer and method for manufacturing the same which suppresses lowering of sensitivity while a protective layer is formedCHANG CHIENLIU·Filed 2009·Granted Jun 24, 2014·7 cites·2 claims
- 1177US8531527B2Acoustic-wave sensor, acoustic-wave sensor array, and ultrasonic imaging apparatusCHANG CHIENLIU·Filed 2008·Granted Sep 10, 2013·9 cites·24 claims
- 1275US8754490B2Element array with a plurality of electromechanical conversion devicesCANON KK·Filed 2013·Granted Jun 17, 2014·3 cites·19 claims
- 1373US8099854B2Manufacturing method of an electromechanical transducerKATO AYAKO·Filed 2009·Granted Jan 24, 2012·7 cites·6 claims
- 1471US11515465B2EMI reduction in piezoelectric micromachined ultrasound transducer arrayINVENSENSE INC·Filed 2019·Granted Nov 29, 2022·1 cites·20 claims
- 1571US9282415B2Electromechanical transducer and method for manufacturing the same which suppresses lowering of sensitivity while a protective layer is formedCANON KK·Filed 2013·Granted Mar 8, 2016·1 cites·6 claims
- 1671US8087152B2Manufacturing method of an electromechanical transducerKATO AYAKO·Filed 2009·Granted Jan 3, 2012·6 cites·7 claims
- 1770US8082651B2Micro-structure fabrication methodZAITSU YOSHITAKA·Filed 2008·Granted Dec 27, 2011·5 cites·13 claims
- 1868US8466522B2Element array, electromechanical conversion device, and process for producing the sameEZAKI TAKAHIRO·Filed 2009·Granted Jun 18, 2013·4 cites·15 claims
- 1967US8034248B2Dry etching method for oxide semiconductor filmCANON KK·Filed 2007·Granted Oct 11, 2011·2 cites·4 claims
- 2064US8410659B2Electromechanical transducer and manufacturing method thereforCHANG CHIENLIU·Filed 2008·Granted Apr 2, 2013·4 cites·14 claims
- 2164US2022218303A1Ultrasonic Capsule Endoscopy Device having Image-based Relative Motion EstimationUNIV LELAND STANFORD JUNIOR·Filed 2022·Application pending·0 cites
- 2259US9698705B2Electromechanical transducer device and analyte information acquiring apparatusCANON KK·Filed 2015·Granted Jul 4, 2017·0 cites·12 claims
- 2359US8928042B2Structure having plural conductive regions and process for production thereofKANDORI ATSUSHI·Filed 2009·Granted Jan 6, 2015·2 cites·12 claims
- 2459US7959843B2Method of fabricating structureCANON KK·Filed 2009·Granted Jun 14, 2011·2 cites·15 claims
- 2556US11577276B2Piezoelectric micromachined ultrasound transducer device with multi-layer etched isolation trenchINVENSENSE INC·Filed 2019·Granted Feb 14, 2023·0 cites·21 claims
- 2655US8087153B2Manufacturing method of an electromechanical transducerKATO AYAKO·Filed 2009·Granted Jan 3, 2012·1 cites·7 claims
- 2754US2019015070A1Ultrasonic Capsule Endoscopy Device having Image-based Relative Motion EstimationUNIV LELAND STANFORD JUNIOR·Filed 2018·Application pending·0 cites
- 2853US10207918B2Electromechanical transducer and method for manufacturing the same which suppresses lowering of sensitivity while a protective layer is formedCANON KK·Filed 2016·Granted Feb 19, 2019·0 cites·8 claims
- 2953US2022040735A1Dual layer ultrasonic transducer fabrication processTDK CORP·Filed 2021·Application pending·0 cites
- 3048US8136212B2Method of fabricating structure having out-of-plane angular segmentZAITSU YOSHITAKA·Filed 2008·Granted Mar 20, 2012·0 cites·11 claims
- 3147US11563166B2Piezoelectric poling of a wafer with temporary and permanent electrodesINVENSENSE INC·Filed 2020·Granted Jan 24, 2023·0 cites·21 claims
- 3246US2009114910A1Semiconductor deviceCANON KK·Filed 2006·Application pending·0 cites
- 3344US8596121B2Structural member having a plurality of conductive regionsKANDORI ATSUSHI·Filed 2008·Granted Dec 3, 2013·0 cites·10 claims
- 3444US2009296515A1Fluid mixing apparatus, integrated fluid mixing apparatus, and fluid mixing systemEZAKI TAKAHIRO·Filed 2006·Application pending·0 cites
- 3538US11623246B2Piezoelectric micromachined ultrasound transducer device with piezoelectric barrier layerINVENSENSE INC·Filed 2019·Granted Apr 11, 2023·0 cites·19 claims
- 3633US2011305822A1Method for manufacturing electromechanical transducerHASEGAWA YOSHIHIRO·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Chienliu 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 →