Inventor · disambiguated record
Wen-Ching Hsieh
Also filed as: HSIEH WEN-CHING
13 granted patents·4 pending applications·162 citations·filing 1982–2022
92Inventor score
Top patents by PatentIndex Score
17 records- 0187US4847018AProcess for producing petroleum sulfonatesUNION OIL CO·Filed 1988·Granted Jul 11, 1989·29 cites·20 claims
- 0286US7798457B2Pivot support device and a display apparatus supported thereonQISDA CORP·Filed 2007·Granted Sep 21, 2010·25 cites·26 claims
- 0386US7365968B2Electronic device and image configuration thereofBENQ CORP·Filed 2005·Granted Apr 29, 2008·13 cites·20 claims
- 0474US7484269B2Portable device capable of standing and hanging by handle assembly thereofQISDA CORP·Filed 2005·Granted Feb 3, 2009·11 cites·6 claims
- 0569US4795772AEnhanced oil recovery compositionUNION OIL CO·Filed 1987·Granted Jan 3, 1989·22 cites·22 claims
- 0662US4836282AEnhanced oil recovery method employing an aqueous polymerUNION OIL CO·Filed 1988·Granted Jun 6, 1989·18 cites·20 claims
- 0761US2023172387A1Coffee Capsule Treatment ToolHSIEH WEN CHING·Filed 2022·Application pending·0 cites
- 0856US7273202B2Combined supporting baseBENQ CORP·Filed 2004·Granted Sep 25, 2007·12 cites·10 claims
- 0954US2008017747A1Support mechanism for electronic paperBENQ CORP·Filed 2007·Application pending·0 cites
- 1049US11602057B2Display device and color correcting method thereofQISDA CORP·Filed 2019·Granted Mar 7, 2023·0 cites·17 claims
- 1149US2008029668A1Positioning Device with an Angle-Adjustable FunctionTSUO CHUN-JUNG·Filed 2007·Application pending·0 cites
- 1247US2006232079A1Door lock having simple installation process and suitable for passage and bathroom doorsHSIEH WEN-CHING·Filed 2005·Application pending·0 cites
- 1344US4446036AProcess for enhanced oil recovery employing petroleum sulfonate blendsUNION OIL CO·Filed 1982·Granted May 1, 1984·10 cites·46 claims
- 1443US4970251AViscous polymer solutionUNION OIL CO·Filed 1989·Granted Nov 13, 1990·7 cites·20 claims
- 1543US4530400AProcess for enhanced oil recovery employing synthetic sulfonates and petroleum sulfonate blendsUNION OIL CO·Filed 1983·Granted Jul 23, 1985·8 cites·41 claims
- 1640US4753973AEnhanced oil recovery compositionUNION OIL CO·Filed 1985·Granted Jun 28, 1988·6 cites·11 claims
- 1730US4808648AEnhanced oil recovery compositionUNION OIL CO·Filed 1984·Granted Feb 28, 1989·1 cites·18 claims
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