Inventor · disambiguated record
Zhigang Ma
Also filed as: MA ZHIGANG
32 granted patents·8 pending applications·519 citations·filing 1997–2025
97Inventor score
Files withSHENZHEN SEEFAA SCITECH CO LTD14AGERE SYSTEMS INC11BAOSHAN IRON & STEEL3LUCENT TECHNOLOGIES INC3AGERE SYST GUARDIAN CORP2
Top patents by PatentIndex Score
40 records- 0187US6496880B1Shared I/O ports for multi-core designsAGERE SYSTEMS INC·Filed 1999·Granted Dec 17, 2002·142 cites·15 claims
- 0286US6946884B2Fractional-N baseband frequency synthesizer in bluetooth applicationsAGERE SYSTEMS INC·Filed 2002·Granted Sep 20, 2005·33 cites·13 claims
- 0385US7702363B2Cordless telephone with MP3 player capabilityAGERE SYSTEMS INC·Filed 2004·Granted Apr 20, 2010·29 cites·6 claims
- 0480US6598178B1Peripheral breakpoint signalerAGERE SYSTEMS INC·Filed 1999·Granted Jul 22, 2003·94 cites·19 claims
- 0578US6642797B1Normalization methods for automatic requency compensation in bluetooth applicationsAGERE SYSTEMS INC·Filed 2002·Granted Nov 4, 2003·16 cites·16 claims
- 0677US9531997B2Method for live video chatSHENZHEN SEEFAA SCITECH CO LTD·Filed 2015·Granted Dec 27, 2016·2 cites·16 claims
- 0777US7945285B2Integrating a digital encoded-audio bit stream player in a radio-frequency telephone handsetAGERE SYSTEMS INC·Filed 2010·Granted May 17, 2011·3 cites·6 claims
- 0875US6133802ASynchronous carrier recovery circuit and injection locked oscillatorLUCENT TECHNOLOGIES INC·Filed 1998·Granted Oct 17, 2000·24 cites·21 claims
- 0973US10133467B2Method for creating touch screen interface with deactivated portion and device using the methodSHENZHEN SEEFAA SCITECH CO LTD·Filed 2017·Granted Nov 20, 2018·1 cites·7 claims
- 1070US6163183AMultifunction reset for mixed-signal integrated circuitsLUCENT TECHNOLOGIES INC·Filed 1999·Granted Dec 19, 2000·31 cites·7 claims
- 1168US6313707B1Digital phase-locked loop with pulse controlled charge pumpAGERE SYST GUARDIAN CORP·Filed 1998·Granted Nov 6, 2001·29 cites·12 claims
- 1267US2025314836A1Optical fiber connector plug and optical fiber connectorHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 1365US9658716B2Method and device of deactivating portion of touch screen to prevent accidental activationSHENZHEN SEEFAA SCITECH CO LTD·Filed 2013·Granted May 23, 2017·1 cites·18 claims
- 1465US9219881B2Device and method for live video chatSHENZHEN SEEFAA SCITECH CO LTD·Filed 2014·Granted Dec 22, 2015·1 cites·8 claims
- 1564USD822424STwo-piece frypanSHENZHEN SEEFAA SCITECH CO LTD·Filed 2017·Granted Jul 10, 2018·9 cites·1 claims
- 1662US10444969B2Method and device for creating two or more deactivated portions on touch screenSHENZHEN SEEFAA SCITECH CO LTD·Filed 2018·Granted Oct 15, 2019·0 cites·12 claims
- 1762US8200280B2Cordless telephone with digital audio player capabilityCAO QINGHONG·Filed 2011·Granted Jun 12, 2012·1 cites·18 claims
- 1862US7945284B1Cordless telephone with MP3 player capabilityAGERE SYSTEMS INC·Filed 1999·Granted May 17, 2011·23 cites·19 claims
- 1962US7471123B2Fractional-N baseband frequency synthesizer in bluetooth applicationsAGERE SYSTEMS INC·Filed 2005·Granted Dec 30, 2008·4 cites·20 claims
- 2060US6993300B2Accurate gain direct modulation (KMOD) using a dual-loop PLLAGERE SYSTEMS INC·Filed 2002·Granted Jan 31, 2006·10 cites·19 claims
- 2160US2024356509A1Fast switching and ultra-low power compact varactor driverTTM TECH INC·Filed 2024·Application pending·0 cites
- 2259US12075800B2Die-pressing production device and method for flavored dried bean curdUNIV JIANGNAN·Filed 2021·Granted Sep 3, 2024·0 cites·9 claims
- 2359US6934524B2Fine-stage automatic frequency compensation in post-detection short-range wireless applicationsAGERE SYSTEMS INC·Filed 2002·Granted Aug 23, 2005·5 cites·18 claims
- 2458US2024248271A1ClosureHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 2557US10889874B2Thick steel plate for high heat input welding and having great heat-affected area toughness and manufacturing method thereforBAOSHAN IRON & STEEL·Filed 2016·Granted Jan 12, 2021·0 cites·8 claims
- 2657US6266780B1Glitchless clock switchAGERE SYST GUARDIAN CORP·Filed 1998·Granted Jul 24, 2001·32 cites·10 claims
- 2756US2024287635A1Method for preparing titanium-containing ultra-low-carbon steelBAOSHAN IRON & STEEL·Filed 2022·Application pending·0 cites
- 2855US10484645B2Method for video communications between two terminalsSHENZHEN SEEFAA SCITECH CO LTD·Filed 2016·Granted Nov 19, 2019·0 cites·16 claims
- 2951USD822433SSplattering fender for frypanSHENZHEN SEEFAA SCITECH CO LTD·Filed 2017·Granted Jul 10, 2018·5 cites·1 claims
- 3050US10837089B2Thick steel plate for high heat input welding and having great heat-affected area toughness and manufacturing method thereforBAOSHAN IRON & STEEL·Filed 2016·Granted Nov 17, 2020·0 cites·4 claims
- 3150US2018242789A1Frypan with splattering fenderSHENZHEN SEEFAA SCITECH CO LTD·Filed 2018·Application pending·0 cites
- 3248USD822434SSplattering fender for frypanSHENZHEN SEEFAA SCITECH CO LTD·Filed 2017·Granted Jul 10, 2018·4 cites·1 claims
- 3348US2012225689A1Cordless Telephone With Digital Audio Player CapabilityCAO QINGHONG·Filed 2012·Application pending·0 cites
- 3445USD834876STwo-piece frypanSHENZHEN SEEFAA SCITECH CO LTD·Filed 2017·Granted Dec 4, 2018·3 cites·1 claims
- 3543USD822432SSplattering fender for frypanSHENZHEN SEEFAA SCITECH CO LTD·Filed 2017·Granted Jul 10, 2018·3 cites·1 claims
- 3643USD822431SSplattering fender for frypanSHENZHEN SEEFAA SCITECH CO LTD·Filed 2017·Granted Jul 10, 2018·3 cites·1 claims
- 3742US5895960AThin oxide mask level defined resistorLUCENT TECHNOLOGIES INC·Filed 1997·Granted Apr 20, 1999·11 cites·7 claims
- 3841US7315556B1Shared CODEC in multiprocessor systemsAGERE SYSTEMS INC·Filed 2000·Granted Jan 1, 2008·0 cites·6 claims
- 3941US2014113663A1Communications method, device and systemMA ZHIGANG·Filed 2012·Application pending·0 cites
- 4041US2017374315A1Device and method for using different video formats in live video chatSHENZHEN SEEFAA SCITECH CO LTD·Filed 2017·Application pending·0 cites
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