Inventor · disambiguated record
Chao Bi
Also filed as: BI CHAO
12 granted patents·3 pending applications·56 citations·filing 1995–2025
86Inventor score
Files withBI CHAO4FORTIOR TECH SHENZHEN CO LTD2MARVELL INT LTD2AGENCY SCIENCE TECH & RES1FORTIOR TECH (SHEN-ZHEN) CO LTD1
Top patents by PatentIndex Score
15 records- 0183US9197144B2Method and system for controlling a motorMARVELL INT LTD·Filed 2013·Granted Nov 24, 2015·8 cites·22 claims
- 0282US6879124B1Method to detect the true zero-crossing points of the phase back EMF for sensorless control of brushless DC motorsFiled 2004·Granted Apr 12, 2005·34 cites·11 claims
- 0372US9866154B2Drive system for induction motorFORTIOR TECH (SHEN-ZHEN) CO LTD·Filed 2017·Granted Jan 9, 2018·2 cites·8 claims
- 0460US9202512B2Data storage deviceBI CHAO·Filed 2012·Granted Dec 1, 2015·2 cites·19 claims
- 0555US2025350225A1Method, system and device for decoding rotary transformer, and storage mediumFORTIOR TECH SHANGHAI CO LTD·Filed 2025·Application pending·0 cites
- 0649US8946952B2Low profile spindle motorBI CHAO·Filed 2008·Granted Feb 3, 2015·2 cites·34 claims
- 0749US8610392B2Runout measurement for devices having a rotating bodyJIANG QUAN·Filed 2008·Granted Dec 17, 2013·0 cites·17 claims
- 0843US10338143B2Method and apparatus for diagnosing a fault condition in an electric machineROLLS ROYCE PLC·Filed 2017·Granted Jul 2, 2019·0 cites·20 claims
- 0941US11448527B2Magnetic encoder, method, system for detecting absolute electrical angle, and readable storage mediumFORTIOR TECH SHENZHEN CO LTD·Filed 2020·Granted Sep 20, 2022·0 cites·10 claims
- 1041US11060842B1Method and system for detecting absolute electrical angle, and computer readable storage mediumFORTIOR TECH SHENZHEN CO LTD·Filed 2020·Granted Jul 13, 2021·0 cites·10 claims
- 1141US2015015102A1Motor and a method of assembling the sameAGENCY SCIENCE TECH & RES·Filed 2013·Application pending·0 cites
- 1241US2009073614A1Voice Coil MotorBI CHAO·Filed 2006·Application pending·0 cites
- 1340US9177595B2Magnetic disk drive device, magnetic disk assembly and methods of forming the sameMARVELL INT LTD·Filed 2014·Granted Nov 3, 2015·0 cites·16 claims
- 1439US8575797B2Low profile permanent magnet synchronous motor with segment structureBI CHAO·Filed 2008·Granted Nov 5, 2013·0 cites·38 claims
- 1534US5485071AMethod and apparatus for establishing a reference current for use in operating a synchronous motorFiled 1995·Granted Jan 16, 1996·8 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →