Inventor · disambiguated record
Charles E. Chang
Also filed as: CHANG CHARLES · CHANG CHARLES E · CHANG CHARLES ED
22 granted patents·4 pending applications·329 citations·filing 1999–2023
95Inventor score
Files withRIVIAN IP HOLDINGS LLC7MINDSPEED TECH INC6CONEXANT SYSTEMS INC580 PERCENT ARMS INC2CHANG CHARLES E2
Top patents by PatentIndex Score
26 records- 0194US9810517B2Method for machining a firearm lower receiver using a jig80 PERCENT ARMS INC·Filed 2015·Granted Nov 7, 2017·17 cites·20 claims
- 0293US9009986B1Jig for firearm lower receiver manufacture80 PERCENT ARMS INC·Filed 2014·Granted Apr 21, 2015·42 cites·33 claims
- 0393US6526109B1Method and apparatus for hybrid smart center loop for clock data recoveryCONEXANT SYSTEMS INC·Filed 2000·Granted Feb 25, 2003·60 cites·2 claims
- 0491US10833379B2Electric vehicle with modular removable auxiliary battery with integrated coolingRIVIAN IP HOLDINGS LLC·Filed 2018·Granted Nov 10, 2020·7 cites·11 claims
- 0587US11984621B2Busbars having stamped fusible linksRIVIAN IP HOLDINGS LLC·Filed 2023·Granted May 14, 2024·0 cites·20 claims
- 0684US10957892B2Busbars having stamped fusible linksRIVIAN IP HOLDINGS LLC·Filed 2018·Granted Mar 23, 2021·1 cites·9 claims
- 0784US6316966B1Apparatus and method for servo-controlled self-centering phase detectorCONEXANT SYSTEMS INC·Filed 2000·Granted Nov 13, 2001·48 cites·4 claims
- 0883US11391777B2Photodetection sensor for monitoring and fault detectionRIVIAN IP HOLDINGS LLC·Filed 2018·Granted Jul 19, 2022·2 cites·30 claims
- 0982US6452433B1High phase margin low power flip-flopCONEXANT SYSTEMS INC·Filed 2000·Granted Sep 17, 2002·31 cites·22 claims
- 1081US6563145B1Methods and apparatus for a composite collector double heterojunction bipolar transistorCHANG CHARLES E·Filed 1999·Granted May 13, 2003·54 cites·11 claims
- 1179US11796298B2Jig for firearm lower receiver manufactureBLACKHAWK MFG GROUP INC·Filed 2017·Granted Oct 24, 2023·2 cites·31 claims
- 1277US11749869B2Busbars having stamped fusible linksRIVIAN IP HOLDINGS LLC·Filed 2021·Granted Sep 5, 2023·0 cites·20 claims
- 1377US7127391B2Method and apparatus for slice point determinationMINDSPEED TECH INC·Filed 2003·Granted Oct 24, 2006·25 cites·37 claims
- 1471US11860232B2Photodetection sensor for monitoring and fault detectionRIVIAN IP HOLDINGS LLC·Filed 2022·Granted Jan 2, 2024·0 cites·20 claims
- 1565US7499648B2Multistage amplifier for rapid acquisition and random received signal power applicationsMINDSPEED TECH INC·Filed 2004·Granted Mar 3, 2009·8 cites·22 claims
- 1664US12431546B2Detecting electrolyte on circuit boardsAPPLE INC·Filed 2022·Granted Sep 30, 2025·0 cites·20 claims
- 1758US8761387B2Analog transmit crosstalk cancellerCHANG CHARLES E·Filed 2007·Granted Jun 24, 2014·2 cites·20 claims
- 1855US10886507B2Battery pack with laminates to reduce impact of side rupture and method of manufacturing sameRIVIAN IP HOLDINGS LLC·Filed 2018·Granted Jan 5, 2021·0 cites·8 claims
- 1955US7813381B2Automatic data rate detectionMINDSPEED TECH INC·Filed 2004·Granted Oct 12, 2010·5 cites·12 claims
- 2050US6628605B1Method and apparatus for efficiently transmitting multiple data signalsCONEXANT SYSTEMS INC·Filed 1999·Granted Sep 30, 2003·15 cites·15 claims
- 2148US6636077B1High isolation, low power high speed multiplexer circuitCONEXANT SYSTEMS INC·Filed 1999·Granted Oct 21, 2003·10 cites·8 claims
- 2244US7702030B2Module to module signaling with jitter modulationMINDSPEED TECH INC·Filed 2003·Granted Apr 20, 2010·0 cites·9 claims
- 2342US2006095216A1Optic module calibration using an enhanced golden moduleMINDSPEED TECH INC·Filed 2005·Application pending·0 cites
- 2440US2007014572A1Bit error rate contour-based optimum decision threshold and sampling phase selectionSADA GILBERTO I·Filed 2005·Application pending·0 cites
- 2538US2006095222A1Optic module calibrationMINDSPEED TECH INC·Filed 2004·Application pending·0 cites
- 2636US2017209941A1Drill bit collar and method for material removal utilizing a drill bit collarMODULAR DESIGNS INC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →