Inventor · disambiguated record
Hwa-Chi Wang
Also filed as: WANG HWA-CHI
23 granted patents·4 pending applications·645 citations·filing 1989–2006
97Inventor score
Top patents by PatentIndex Score
27 records- 0194US5963336AChamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of useAIR LIQUIDE AMERICAN·Filed 1996·Granted Oct 5, 1999·108 cites·69 claims
- 0293US6392745B1Method and apparatus for the fast detection of surface characteristicsAIR LIQUIDE AMERICAN·Filed 2000·Granted May 21, 2002·55 cites·27 claims
- 0390US6493086B1Chamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of useAIR LIQUIDE AMERICAN·Filed 2000·Granted Dec 10, 2002·34 cites·37 claims
- 0488US6363728B1System and method for controlled delivery of liquefied gases from a bulk sourceAIR LIQUIDE AMERICAN·Filed 2000·Granted Apr 2, 2002·45 cites·20 claims
- 0587US6154284AChamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of useAIR LIQUIDE AMERICAN·Filed 1999·Granted Nov 28, 2000·61 cites·75 claims
- 0683US6736154B2Pressure vessel systems and methods for dispensing liquid chemical compositionsAIR LIQUIDE AMERICAN·Filed 2001·Granted May 18, 2004·26 cites·23 claims
- 0778US6076359ASystem and method for controlled delivery of liquified gasesAIR LIQUIDE AMERICAN·Filed 1997·Granted Jun 20, 2000·39 cites·47 claims
- 0877US5761911ASystem and method for controlled delivery of liquified gasesAIR LIQUIDE AMERICAN·Filed 1996·Granted Jun 9, 1998·38 cites·31 claims
- 0974US6885452B2Chamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of useAIR LIQUIDE AMERICAN·Filed 2002·Granted Apr 26, 2005·8 cites·21 claims
- 1073US7297181B2Purification and transfilling of ammoniaAIR LIQUIDE AMERICA L P·Filed 2004·Granted Nov 20, 2007·21 cites·16 claims
- 1171US6122931ASystem and method for delivery of a vapor phase product to a point of useAIR LIQUIDE AMERICAN·Filed 1999·Granted Sep 26, 2000·23 cites·66 claims
- 1268US6032483ASystem and method for delivery of a vapor phase product to a point of useAIR LIQUIDE AMERICAN·Filed 1998·Granted Mar 7, 2000·20 cites·58 claims
- 1368US5665902AMethod to analyze particle contaminants in compressed gasesAIR LIQUIDE AMERICAN·Filed 1994·Granted Sep 9, 1997·26 cites·10 claims
- 1467US5209102AMethod of introducing and controlling compressed gases for impurity analysisAIR LIQUIDE AMERICAN·Filed 1992·Granted May 11, 1993·30 cites·12 claims
- 1562US6199384B1System and method for controlled delivery of liquefied gases including control aspectsAIR LIQUIDE AMERICAN·Filed 1999·Granted Mar 13, 2001·23 cites·12 claims
- 1659US5992216AMethod to analyze particle contaminants in compressed gasesAIR LIQUIDE AMERICAN·Filed 1997·Granted Nov 30, 1999·18 cites·14 claims
- 1752US4964278AMethod of separating condensible vapors from particles in highly compressed gasesAIR LIQUIDE AMERICAN·Filed 1989·Granted Oct 23, 1990·17 cites·7 claims
- 1849US5814741AMetal sampling method and system for non-hydrolyzable gasesAIR LIQUIDE AMERICAN·Filed 1996·Granted Sep 29, 1998·14 cites·23 claims
- 1949US5398712APurgeable connection for gas cylindersAIR LIQUIDE AMERICAN·Filed 1993·Granted Mar 21, 1995·13 cites·13 claims
- 2049US2007163273A1Liquid Purge for a VaporizerAIR LIQUIDE AMERICAN·Filed 2006·Application pending·0 cites
- 2149US2007204631A1Liquefied Chemical Gas Delivery SystemAIR LIQUIDE AMERICAN·Filed 2006·Application pending·0 cites
- 2243US6899116B2Pressure vessel systems and methods for dispensing liquid chemical compositionsAIR LIQUIDE AMERICAN·Filed 2004·Granted May 31, 2005·0 cites·8 claims
- 2343US6214173B1On-site manufacture of ultra-high-purity nitric acidAIR LIQUIDE ELECTRONICS CHEMIC·Filed 1996·Granted Apr 10, 2001·12 cites·32 claims
- 2442US2005006310A1Purification and recovery of fluids in processing applicationsFiled 2004·Application pending·0 cites
- 2541US2003021595A1Apparatus and method for vaporizing a liquid chemicalFiled 2002·Application pending·0 cites
- 2639US5618996AMetal sampling method and system for non-hydrolyzable gasesAIR LIQUIDE AMERICAN·Filed 1996·Granted Apr 8, 1997·7 cites·18 claims
- 2735US4962673APressure reduction device for particle sampling from compressed gasesAIR LIQUIDE AMERICAN·Filed 1989·Granted Oct 16, 1990·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →