Assignee
DING JUNHUA
US·11 granted patents·2 pending applications·119 citations·filing 2006–2014
Top patents by PatentIndex Score
13 records- 0196US8997686B2System for and method of fast pulse gas deliveryDING JUNHUA·Filed 2010·Granted Apr 7, 2015·17 cites·17 claims
- 0294US9348339B2Method and apparatus for multiple-channel pulse gas delivery systemDING JUNHUA·Filed 2011·Granted May 24, 2016·13 cites·21 claims
- 0392US9557744B2System for and method of monitoring flow through mass flow controllers in real timeDING JUNHUA·Filed 2014·Granted Jan 31, 2017·15 cites·19 claims
- 0492US8793082B2Upstream volume mass flow verification systems and methodsDING JUNHUA·Filed 2009·Granted Jul 29, 2014·24 cites·11 claims
- 0591US10031531B2System for and method of multiple channel fast pulse gas deliveryDING JUNHUA·Filed 2014·Granted Jul 24, 2018·14 cites·45 claims
- 0682US9471066B2System for and method of providing pressure insensitive self verifying mass flow controllerDING JUNHUA·Filed 2014·Granted Oct 18, 2016·6 cites·19 claims
- 0782US9127361B2Methods of and apparatus for controlling pressure in multiple zones of a process toolDING JUNHUA·Filed 2009·Granted Sep 8, 2015·4 cites·9 claims
- 0879US10353408B2System for and method of fast pulse gas deliveryDING JUNHUA·Filed 2012·Granted Jul 16, 2019·5 cites·19 claims
- 0977US9846074B2System for and method of monitoring flow through mass flow controllers in real timeDING JUNHUA·Filed 2012·Granted Dec 19, 2017·5 cites·15 claims
- 1076US8079383B2Controller gain scheduling for mass flow controllersDING JUNHUA·Filed 2006·Granted Dec 20, 2011·10 cites·3 claims
- 1174US8849466B2Method of and apparatus for multiple channel flow ratio controller systemDING JUNHUA·Filed 2011·Granted Sep 30, 2014·6 cites·52 claims
- 1246US2014326909A1Pressure-balanced control valvesDING JUNHUA·Filed 2014·Application pending·0 cites
- 1339US2008250854A1Mass flow device using a flow equalizer for improving the output responseDING JUNHUA·Filed 2007·Application pending·0 cites
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