Inventor · disambiguated record
Ray L. Chang
Also filed as: CHANG RAY · CHANG RAY L · CHANG RAY LING
67 granted patents·17 pending applications·1,569 citations·filing 1990–2025
99Inventor score
Top patents by PatentIndex Score
84 records- 0198US9952682B2Depressible keys with decoupled electrical and mechanical functionalityAPPLE INC·Filed 2015·Granted Apr 24, 2018·72 cites·20 claims
- 0298US7688306B2Methods and apparatuses for operating a portable device based on an accelerometerAPPLE INC·Filed 2004·Granted Mar 30, 2010·343 cites·57 claims
- 0397US12086919B2Video pipelineAPPLE INC·Filed 2023·Granted Sep 10, 2024·6 cites·20 claims
- 0497US10642356B1Wearable interactive user interfaceAPPLE INC·Filed 2017·Granted May 5, 2020·26 cites·30 claims
- 0596US11914780B2Finger-mounted device with sensors and hapticsAPPLE INC·Filed 2022·Granted Feb 27, 2024·8 cites·20 claims
- 0696US5440514AWrite control for a memory using a delay locked loopMOTOROLA INC·Filed 1994·Granted Aug 8, 1995·150 cites·21 claims
- 0795US10838499B2Finger-mounted device with sensors and hapticsAPPLE INC·Filed 2018·Granted Nov 17, 2020·20 cites·32 claims
- 0895US10353485B1Multifunction input device with an embedded capacitive sensing layerAPPLE INC·Filed 2017·Granted Jul 16, 2019·28 cites·14 claims
- 0995US5440515ADelay locked loop for detecting the phase difference of two signals having different frequenciesMOTOROLA INC·Filed 1994·Granted Aug 8, 1995·117 cites·9 claims
- 1094US11416076B2Finger-mounted device with sensors and hapticsAPPLE INC·Filed 2020·Granted Aug 16, 2022·3 cites·20 claims
- 1194US11009949B1Segmented force sensors for wearable devicesAPPLE INC·Filed 2018·Granted May 18, 2021·13 cites·20 claims
- 1294US7367850B1Bidirectional communication module jack assemblyTELEBOX IND CORP·Filed 2007·Granted May 6, 2008·38 cites·3 claims
- 1394US7175468B1Plug for the transmission of high frequency/telecommunication signalsTELEBOX IND CORP·Filed 2006·Granted Feb 13, 2007·44 cites·3 claims
- 1493US11144121B2Wearable interactive user interfaceAPPLE INC·Filed 2020·Granted Oct 12, 2021·3 cites·20 claims
- 1593US10347050B1Augmented reality device to warp imagesAPPLE INC·Filed 2017·Granted Jul 9, 2019·10 cites·15 claims
- 1692US11043018B2Video pipelineAPPLE INC·Filed 2019·Granted Jun 22, 2021·7 cites·20 claims
- 1792US5384737APipelined memory having synchronous and asynchronous operating modesMOTOROLA INC·Filed 1994·Granted Jan 24, 1995·95 cites·20 claims
- 1891US9575573B2Stylus with touch sensorAPPLE INC·Filed 2014·Granted Feb 21, 2017·15 cites·9 claims
- 1991US5477176APower-on reset circuit for preventing multiple word line selections during power-up of an integrated circuit memoryMOTOROLA INC·Filed 1994·Granted Dec 19, 1995·73 cites·19 claims
- 2089US9400570B2Stylus with inertial sensorAPPLE INC·Filed 2014·Granted Jul 26, 2016·11 cites·17 claims
- 2188US6157583AIntegrated circuit memory having a fuse detect circuit and method thereforMOTOROLA INC·Filed 1999·Granted Dec 5, 2000·72 cites·20 claims
- 2287US9575569B2Methods and apparatuses for operating a portable device based on an accelerometerAPPLE INC·Filed 2015·Granted Feb 21, 2017·4 cites·17 claims
- 2385US8698744B2Methods and apparatuses for operating a portable device based on an accelerometerWEHRENBERG PAUL J·Filed 2010·Granted Apr 15, 2014·6 cites·23 claims
- 2485US7719826B1Integrated access coverAPPLE INC·Filed 2005·Granted May 18, 2010·19 cites·19 claims
- 2585US6385101B1Programmable delay control for sense amplifiers in a memoryMOTOROLA INC·Filed 2000·Granted May 7, 2002·28 cites·9 claims
- 2684US11727619B2Video pipelineAPPLE INC·Filed 2021·Granted Aug 15, 2023·1 cites·20 claims
- 2784US9400529B2Electronic device having housing with embedded interconnectsAPPLE INC·Filed 2013·Granted Jul 26, 2016·7 cites·24 claims
- 2884US2024394952A1Video PipelineAPPLE INC·Filed 2024·Application pending·0 cites
- 2983US9603086B2Smart management of background network connections based on historical dataAPPLE INC·Filed 2014·Granted Mar 21, 2017·6 cites·21 claims
- 3081US5610543ADelay locked loop for detecting the phase difference of two signals having different frequenciesMOTOROLA INC·Filed 1995·Granted Mar 11, 1997·45 cites·20 claims
- 3181US2025264722A1Display SystemAPPLE INC·Filed 2025·Application pending·0 cites
- 3280US8266456B2Supplying remaining available current to port in excess of bus standard limitCHANG RAY·Filed 2007·Granted Sep 11, 2012·16 cites·21 claims
- 3380US6111796AProgrammable delay control for sense amplifiers in a memoryMOTOROLA INC·Filed 1999·Granted Aug 29, 2000·44 cites·18 claims
- 3478US2025076672A1Object Localization SystemAPPLE INC·Filed 2024·Application pending·0 cites
- 3578US2024168558A1Finger-Mounted Device With Sensors and HapticsAPPLE INC·Filed 2024·Application pending·0 cites
- 3677US12174396B2Object localization systemAPPLE INC·Filed 2023·Granted Dec 24, 2024·0 cites·20 claims
- 3777US11709372B2Object localization systemAPPLE INC·Filed 2020·Granted Jul 25, 2023·1 cites·20 claims
- 3877US8719601B2Dynamic remaining maximum power allocation to secondary port while staying within optimal efficiency range of power supplyCHANG RAY·Filed 2012·Granted May 6, 2014·5 cites·20 claims
- 3976US10068727B2Key surface lightingAPPLE INC·Filed 2015·Granted Sep 4, 2018·2 cites·17 claims
- 4075US12320977B2Display systemAPPLE INC·Filed 2023·Granted Jun 3, 2025·0 cites·20 claims
- 4175US9363754B2Managing power consumption in mobile devicesAPPLE INC·Filed 2012·Granted Jun 7, 2016·3 cites·33 claims
- 4274US7508662B2Handle arrangement with integrated heat pipeAPPLE INC·Filed 2006·Granted Mar 24, 2009·6 cites·20 claims
- 4374US7306487B1Low crosstalk transmission connectorTELEBOX IND CORP·Filed 2006·Granted Dec 11, 2007·15 cites·3 claims
- 4473US12379595B2Head mountable displayAPPLE INC·Filed 2024·Granted Aug 5, 2025·0 cites·17 claims
- 4573US11726324B2Display systemAPPLE INC·Filed 2019·Granted Aug 15, 2023·1 cites·30 claims
- 4671US7374450B1High frequency plugTELEBOX IND CORP·Filed 2006·Granted May 20, 2008·11 cites·11 claims
- 4770US12026325B2Handheld input devices with sleevesAPPLE INC·Filed 2023·Granted Jul 2, 2024·0 cites·20 claims
- 4870US6031775ADynamic sense amplifier in a memory capable of limiting the voltage swing on high-capacitance global data linesMOTOROLA INC·Filed 1999·Granted Feb 29, 2000·31 cites·13 claims
- 4968US8868065B2System and method for reducing power consumption for push messagingCHANG RAY L·Filed 2012·Granted Oct 21, 2014·3 cites·30 claims
- 5067US5268863AMemory having a write enable controlled word lineMOTOROLA INC·Filed 1992·Granted Dec 7, 1993·27 cites·19 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →