Inventor · disambiguated record
Liji Huang
Also filed as: HUANG LIJI
51 granted patents·10 pending applications·600 citations·filing 1997–2024
98Inventor score
Top patents by PatentIndex Score
61 records- 0195US6556338B2MEMS based variable optical attenuator (MBVOA)INTPAX INC·Filed 2001·Granted Apr 29, 2003·129 cites·19 claims
- 0292US7752910B2Micromachined mass flow sensor and methods of making the sameSIARGO INC·Filed 2008·Granted Jul 13, 2010·13 cites·19 claims
- 0392US6641932B1Magnetic thin film media with chromium capping layerSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Nov 4, 2003·62 cites·15 claims
- 0491US10480974B2Composite MEMS flow sensor on silicon-on-insulator device and method of making the sameHUANG LIJI·Filed 2018·Granted Nov 19, 2019·5 cites·7 claims
- 0591US10066976B2Vortex flow meter with micromachined sensing elementsHUANG LIJI·Filed 2016·Granted Sep 4, 2018·5 cites·12 claims
- 0691US7780343B2Micromachined gas and liquid concentration sensor and method of making the sameSIARGO LTD·Filed 2007·Granted Aug 24, 2010·20 cites·15 claims
- 0790US8342018B2High accuracy battery-operated MEMS mass flow meterSIARGO LTD·Filed 2010·Granted Jan 1, 2013·16 cites·6 claims
- 0889US7536908B2Micromachined thermal mass flow sensors and insertion type flow meters and manufacture methodsSIARGO LTD·Filed 2005·Granted May 26, 2009·21 cites·34 claims
- 0989US6565718B1Magnetic recording medium with high density, thin dual carbon overcoatsSEAGATE TECHNOLOGY LLC·Filed 2001·Granted May 20, 2003·25 cites·14 claims
- 1089US6303214B1Magnetic recording medium with high density thin dual carbon overcoatsSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Oct 16, 2001·24 cites·6 claims
- 1188US10837814B1Smart gas cylinder capHUANG LIJI·Filed 2019·Granted Nov 17, 2020·6 cites·14 claims
- 1288US6120890AMagnetic thin film medium comprising amorphous sealing layer for reduced lithium migrationSEAGATE TECHNOLOGY·Filed 1998·Granted Sep 19, 2000·53 cites·20 claims
- 1386US9752783B2Smart device for gas rangeHUANG LIJI·Filed 2015·Granted Sep 5, 2017·3 cites·10 claims
- 1486US9109935B2MEMS utility meters with integrated mass flow sensorsYANG XIANGYOU·Filed 2012·Granted Aug 18, 2015·16 cites·8 claims
- 1586US7878056B2Micromachined thermal mass flow sensor with self-cleaning capability and methods of making the sameSIARGO LTD·Filed 2007·Granted Feb 1, 2011·17 cites·9 claims
- 1685US7908096B2Integrated micromachined thermal mass flow sensor and methods of making the sameSIARGO LTD·Filed 2007·Granted Mar 15, 2011·16 cites·11 claims
- 1784US10240723B2Digital regulated gas dispensing apparatus with a MEMS mass flow meterHUANG LIJI·Filed 2017·Granted Mar 26, 2019·3 cites·14 claims
- 1881US8794082B2MEMS time-of-flight thermal mass flow meterHUANG LIJI·Filed 2011·Granted Aug 5, 2014·6 cites·8 claims
- 1981US6572958B1Magnetic recording media comprising a silicon carbide corrosion barrier layer and a c-overcoatSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jun 3, 2003·15 cites·20 claims
- 2079US7797997B2Configuration and methods for manufacturing time-of-flight MEMS mass flow sensorSIARGO INC·Filed 2008·Granted Sep 21, 2010·11 cites·18 claims
- 2178US10209156B2Micromachined pressure sensor and method of making the sameHUANG LIJI·Filed 2016·Granted Feb 19, 2019·2 cites·12 claims
- 2278US8994552B2MEMS utility meters with exchangeable metrology unitJIANG CHANGMING·Filed 2012·Granted Mar 31, 2015·8 cites·16 claims
- 2378US7765679B2Method of manufacturing a flow rate sensorSIARGO INC·Filed 2006·Granted Aug 3, 2010·13 cites·17 claims
- 2476US6245417B1Magnetic recording medium comprising multilayered carbon-containing protective overcoatsSEAGATE TECHNOLOGY LLC·Filed 1997·Granted Jun 12, 2001·26 cites·19 claims
- 2576US6117570AThin film medium with surface-oxidized NiAl seed layerSEAGATE TECHNOLOGY·Filed 1998·Granted Sep 12, 2000·26 cites·20 claims
- 2675US9354197B2Micromachined oxygen sensor and method of making the sameHUANG LIJI·Filed 2013·Granted May 31, 2016·2 cites·10 claims
- 2772US9784607B2Utility mass flow gas meterWONG WAI TUNG IVAN·Filed 2016·Granted Oct 10, 2017·4 cites·19 claims
- 2872US9360357B2Micromachined mass flow sensor with condensation prevention and method of making the sameHUANG LIJI·Filed 2013·Granted Jun 7, 2016·3 cites·9 claims
- 2972US6620712B2Defined sacrifical region via ion implantation for micro-opto-electro-mechanical system (MOEMS) applicationsINTPAX INC·Filed 2001·Granted Sep 16, 2003·18 cites·26 claims
- 3071US8943888B2Micromachined flow sensor integrated with flow inception detection and make of the sameHUANG LIJI·Filed 2013·Granted Feb 3, 2015·3 cites·14 claims
- 3169US8644693B2Integrated micromachining proximity switch sensors in air/oil lubricatorsHUANG LIJI·Filed 2010·Granted Feb 4, 2014·2 cites·3 claims
- 3262USD1032386SMEMS mass flow controllerHUANG LIJI·Filed 2022·Granted Jun 25, 2024·2 cites·1 claims
- 3362US8132455B2Robust micromachined thermal mass flow sensor with double side passivated polyimide membraneCHEN CHIH-CHANG·Filed 2009·Granted Mar 13, 2012·4 cites·6 claims
- 3461US6416881B1Media with a metal oxide sealing layerSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jul 9, 2002·4 cites·11 claims
- 3561US2024410735A1Smart fuel gas cylinder regulatorHUANG LIJI·Filed 2023·Application pending·0 cites
- 3660US11927555B2Micromachined thermal time-of-flight fluidic concentration metering deviceHUANG LIJI·Filed 2021·Granted Mar 12, 2024·0 cites·12 claims
- 3760US8544320B2Integrated micromachined wind and gas velocity profilerHUANG LIJI·Filed 2010·Granted Oct 1, 2013·1 cites·6 claims
- 3856US2025137825A1Flow conditioning assembly with micromachined mass flow sensorsHUANG LIJI·Filed 2023·Application pending·0 cites
- 3955US6699588B2Medium with a NiNb sealing layerSEAGATE TECHNOLOGY·Filed 2000·Granted Mar 2, 2004·2 cites·13 claims
- 4055US6509998B2Tunable multi-channel optical attenuator (TMCOA)INTPAX INC·Filed 2001·Granted Jan 21, 2003·5 cites·17 claims
- 4152US6727562B2Basic common optical cell configuration of dual cavities for optical tunable devicesINTPAX INC·Filed 2002·Granted Apr 27, 2004·3 cites·33 claims
- 4251US11512990B2Gas meter with thermal time-of-flight sensingHUANG LIJI·Filed 2020·Granted Nov 29, 2022·0 cites·15 claims
- 4351US11353336B2Gas meter with gas thermal property measurement and auto-compensationHUANG LIJI·Filed 2020·Granted Jun 7, 2022·0 cites·16 claims
- 4451US6781735B2Fabry-Perot cavity manufactured with bulk micro-machining process applied on supporting substrateFiled 2002·Granted Aug 24, 2004·3 cites·23 claims
- 4550US11428596B2Vacuum gauge with an extended dynamic measurement rangeHUANG LIJI·Filed 2020·Granted Aug 30, 2022·0 cites·9 claims
- 4650US2021379323A1Automatic oxygen therapy deviceHUANG LIJI·Filed 2020·Application pending·0 cites
- 4750US2022136881A1Smart device for fuel cylinderHUANG LIJI·Filed 2020·Application pending·0 cites
- 4849US6724516B2Robust multi-layered thin-film membrane for micro-electromechanical systems (MEMS) photonic devicesINTPAX INC·Filed 2002·Granted Apr 20, 2004·2 cites·20 claims
- 4949US2023218228A1Noninvasive Spontaneous Respiratory Monitoring Device with Micromachined Sensing ElementsWU YIDONG·Filed 2022·Application pending·0 cites
- 5047US11179083B2Physiological fluid collection bag with instant data transmissionHUANG LIJI·Filed 2018·Granted Nov 23, 2021·0 cites·8 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →