Assignee
CHANG JEN-CHIH
4 granted patents·4 pending applications·32 citations·filing 2004–2012
Top patents by PatentIndex Score
8 records- 0190US8646811B1Quick connectorCHANG JEN-CHIH·Filed 2012·Granted Feb 11, 2014·19 cites·7 claims
- 0268US8231111B2Foam generating apparatusCHANG JEN-CHIH·Filed 2010·Granted Jul 31, 2012·6 cites·6 claims
- 0368US7699290B2Connection device for quickly connecting pneumatic hoseCHANG JEN-CHIH·Filed 2007·Granted Apr 20, 2010·6 cites·11 claims
- 0451US2009160804A1Method for controlling electronic apparatus and apparatus and recording medium using the methodCHANG JEN-CHIH·Filed 2008·Application pending·0 cites
- 0551US2009160807A1Method for controlling electronic apparatus and electronic apparatus, recording medium using the methodCHANG JEN-CHIH·Filed 2008·Application pending·0 cites
- 0645US2012018536A1Air duster gunCHANG JEN-CHIH·Filed 2011·Application pending·0 cites
- 0742US7390182B2Rotor structure of pneumatic toolCHANG JEN-CHIH·Filed 2005·Granted Jun 24, 2008·1 cites·2 claims
- 0839US2005220635A1Pump-used filter deviceCHANG JEN-CHIH·Filed 2004·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →