Inventor · disambiguated record
Shan-Wen Chang
Also filed as: CHANG SHAN · CHANG SHAN-WEN
20 granted patents·1 pending application·216 citations·filing 2002–2024
95Inventor score
Files withAPPA TECHNOLOGY CORP11NO 703 RES INSTITUTE OF CSSC3CHANG SHAN-WEN2PRIMAX ELECTRONICS LTD2TRANSPACIFIC PLASMA LLC2
Top patents by PatentIndex Score
21 records- 0188US12111226B1High-power and heavy-load back-to-back planetary gear test platformNO 703 RES INSTITUTE OF CSSC·Filed 2023·Granted Oct 8, 2024·3 cites·8 claims
- 0288US12104977B1Coupling device between a test box and a companion test box for back-to-back planetary testingNO 703 RES INSTITUTE OF CSSC·Filed 2023·Granted Oct 1, 2024·2 cites·3 claims
- 0381US6741809B1Image capturing apparatus with laser-framing viewfinder and laser pointer functionsPRIMAX ELECTRONICS LTD·Filed 2003·Granted May 25, 2004·14 cites·9 claims
- 0479USD601047SElectric meter (I)APPA TECHNOLOGY CORP·Filed 2008·Granted Sep 29, 2009·24 cites·1 claims
- 0579US6646562B1Hooking-type fully automatic electric meterAPPA TECHNOLOGY CORP·Filed 2002·Granted Nov 11, 2003·23 cites·8 claims
- 0678USD472828SElectrical multimeterAPPA TECHNOLOGY CORP·Filed 2002·Granted Apr 8, 2003·23 cites·1 claims
- 0775USD472830SClamp type electrical multimeter (II)APPA TECHNOLOGY CORP·Filed 2002·Granted Apr 8, 2003·20 cites·1 claims
- 0874USD515952SMultimeterAPPA TECHNOLOGY CORP·Filed 2005·Granted Feb 28, 2006·20 cites·1 claims
- 0969USD585315SElectric meter (II)APPA TECHNOLOGY CORP·Filed 2008·Granted Jan 27, 2009·16 cites·1 claims
- 1069US6917757B1Image-capturing device with synchronous and automatic focusing functionPRIMAX ELECTRONICS LTD·Filed 2004·Granted Jul 12, 2005·11 cites·8 claims
- 1165USD517434SClamp multimeterAPPA TECHNOLOGY CORP·Filed 2005·Granted Mar 21, 2006·14 cites·1 claims
- 1261US7414669B2Image capturing apparatus with a laser-framing viewfinderTRANSPACIFIC PLASMA LLC·Filed 2003·Granted Aug 19, 2008·8 cites·22 claims
- 1358US12235182B2End-connecting type hydraulic loaderNO 703 RES INSTITUTE OF CSSC·Filed 2024·Granted Feb 25, 2025·0 cites·9 claims
- 1458USD628918SHooking-type electric meterAPPA TECHNOLOGY CORP·Filed 2010·Granted Dec 14, 2010·10 cites·1 claims
- 1557USD472829SClamp type electrical multimeter (I)APPA TECHNOLOGY CORP·Filed 2002·Granted Apr 8, 2003·10 cites·1 claims
- 1656USD515953SClamp multimeterAPPA TECHNOLOGY CORP·Filed 2005·Granted Feb 28, 2006·10 cites·1 claims
- 1753USD585316SElectric meter (III)APPA TECHNOLOGY CORP·Filed 2008·Granted Jan 27, 2009·8 cites·1 claims
- 1845USRE41798EImage capturing apparatus with laser-framing viewfinder and laser pointer functionsCHANG SHAN-WEN·Filed 2006·Granted Oct 5, 2010·0 cites·27 claims
- 1944US11307224B2Measuring rod for electric meter and electric meter assembly using the sameAPPA TECH CORP·Filed 2019·Granted Apr 19, 2022·0 cites·4 claims
- 2042US7430012B2Focusing auxiliary device of image-capturing apparatusTRANSPACIFIC PLASMA LLC·Filed 2004·Granted Sep 30, 2008·0 cites·20 claims
- 2141US2005206778A1Digital camera capable of auto-detecting whether to be stableCHANG SHAN-WEN·Filed 2004·Application pending·0 cites
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