Inventor · disambiguated record
Yuh Cheng
Also filed as: CHENG YUH · CHENG YUH-JEN
30 granted patents·10 pending applications·176 citations·filing 1998–2011
96Inventor score
Top patents by PatentIndex Score
40 records- 0193US7796480B2Apparatus and methods for light spot servo signal detectionMEDIATEK INC·Filed 2007·Granted Sep 14, 2010·20 cites·54 claims
- 0289US6483631B1Optical amplifier spectral tilt controllersONETTA INC·Filed 2001·Granted Nov 19, 2002·32 cites·4 claims
- 0387US7724090B2Loop control apparatus and method thereofMEDIATEK INC·Filed 2007·Granted May 25, 2010·8 cites·42 claims
- 0487US7263050B2Methods and systems for tuning write strategy parameters of an optical storage deviceMEDIATEK INC·Filed 2005·Granted Aug 28, 2007·8 cites·21 claims
- 0584US7236108B2Method and apparatus for data recoveryMEDIATEK INC·Filed 2004·Granted Jun 26, 2007·18 cites·20 claims
- 0682US8450190B2Fabrication of GaN substrate by defect selective passivationCHENG YUH-JEN·Filed 2010·Granted May 28, 2013·7 cites·23 claims
- 0782US7697380B2Apparatus for detecting the wobble carrier frequency of an optical disk and method for sameMEDIATEK INC·Filed 2007·Granted Apr 13, 2010·5 cites·23 claims
- 0882US7693011B2Wobble detection circuit and method for processing wobble signalsMEDIATEK INC·Filed 2007·Granted Apr 6, 2010·5 cites·13 claims
- 0979US7911891B2Apparatus for controling servo signal gains of an optical disc drive and method of sameMEDIATEK INC·Filed 2007·Granted Mar 22, 2011·3 cites·22 claims
- 1079US7376063B2Control circuit of optical storage device and method thereofMEDIA TEK INC·Filed 2006·Granted May 20, 2008·4 cites·18 claims
- 1175US6511702B1Apparatus and method to control the molecular weight distribution of a vaporSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jan 28, 2003·10 cites·15 claims
- 1274US8133803B2Method for fabricating semiconductor substrates and semiconductor devicesCHENG YUH-JEN·Filed 2009·Granted Mar 13, 2012·5 cites·27 claims
- 1372US5999261ASplit phase high performance, high frequency, high dynamic range interferometerSEAGATE TECHNOLOGY·Filed 1998·Granted Dec 7, 1999·35 cites·20 claims
- 1471US7693012B2Apparatus for demodulating address in pre-groove symbols and apparatus for decoding pre-pit symbolsMEDIATEK INC·Filed 2007·Granted Apr 6, 2010·2 cites·20 claims
- 1569US7773480B2Device, method for processing RF signal, and optical disk drive utilizing the sameMEDIATEK INC·Filed 2008·Granted Aug 10, 2010·1 cites·19 claims
- 1668US7804746B2Land/groove track and pickup head movement direction detectionMEDIATEK INC·Filed 2005·Granted Sep 28, 2010·1 cites·36 claims
- 1768US7706219B2Signal processing apparatus and method for an optical disc driveMEDIATEK INC·Filed 2007·Granted Apr 27, 2010·1 cites·18 claims
- 1866US8107340B2Electronic apparatus with adjustable power consumptionLIN YU-HSUAN·Filed 2009·Granted Jan 31, 2012·6 cites·10 claims
- 1962US8270266B2Methods and devices for detecting wobbles on an optical discLIN TZU-CHIEH·Filed 2009·Granted Sep 18, 2012·1 cites·21 claims
- 2059US7345963B2Method and related apparatus for deriving a tracking error signalMEDIATEK INC·Filed 2006·Granted Mar 18, 2008·0 cites·9 claims
- 2159US7345964B2Method and related apparatus for deriving a tracking error signalMEDIATEK INC·Filed 2006·Granted Mar 18, 2008·0 cites·2 claims
- 2259US7254099B2Method and related apparatus for deriving a tracking error signalMEDIATEK INC·Filed 2006·Granted Aug 7, 2007·0 cites·6 claims
- 2358US7187629B2Method and related apparatus for deriving a tracking error signalMEDIATEK INC·Filed 2003·Granted Mar 6, 2007·2 cites·11 claims
- 2455US8369199B2Methods and systems for tuning at least one write strategy parameter of an optical storage deviceMEDIATEK INC·Filed 2007·Granted Feb 5, 2013·0 cites·19 claims
- 2555US7684291B2Method and apparatus for blank detection of an optical discMEDIATEK INC·Filed 2006·Granted Mar 23, 2010·0 cites·16 claims
- 2652US2009185462A1Focus Controller and Focus Control MethodMEDIATEK INC·Filed 2009·Application pending·0 cites
- 2751US7606340B2Phase detection device and method thereofMEDIATEK INC·Filed 2005·Granted Oct 20, 2009·2 cites·44 claims
- 2849US2007280079A1Asymmetry measurement apparatusCHENG YUH·Filed 2007·Application pending·0 cites
- 2949US2007291622A1High pass filtering device for an optical disc driveMEDIATEK INC·Filed 2007·Application pending·0 cites
- 3049US2007280062A1Apparatus and method of generating zero crossing signal for optical disc driveMEDIATEK INC·Filed 2007·Application pending·0 cites
- 3149US2007280069A1Method of gain control and controller thereofMEDIATEK INC·Filed 2007·Application pending·0 cites
- 3248US7944784B2Land/groove track and pickup head movement direction detectionMEDIATEK INC·Filed 2010·Granted May 17, 2011·0 cites·12 claims
- 3344US2006239661A1Frequency detection methodsMEDIATEK INC·Filed 2005·Application pending·0 cites
- 3442US2004125732A1Data recording method of optical storage mediumFiled 2003·Application pending·0 cites
- 3541US8501597B2Method for fabricating group III-nitride semiconductorCHENG YUH-JEN·Filed 2011·Granted Aug 6, 2013·0 cites·19 claims
- 3638US7113461B2Circuit for tracking error signal detection on an optical storage mediumIND TECH RES INST·Filed 2003·Granted Sep 26, 2006·0 cites·10 claims
- 3738US2011276988A1Optical disc driveHUANG PO-HSIANG·Filed 2011·Application pending·0 cites
- 3836US2011090773A1Apparatus for generating viterbi-processed data using an input signal obtained from reading an optical discYU CHIH-CHING·Filed 2010·Application pending·0 cites
- 3935US2007086315A1Optical disc apparatusesMEDIATEK INC·Filed 2005·Application pending·0 cites
- 4030US6663938B1Media contact zone with bell-shaped texturing featuresSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Dec 16, 2003·0 cites·33 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →