Inventor · disambiguated record
Chang-Sik Yoo
Also filed as: YOO CHANG-SIK
65 granted patents·13 pending applications·920 citations·filing 1999–2025
99Inventor score
Files withSAMSUNG ELECTRONICS CO LTD42UNIV HANYANG IND UNIV COOP FOUND8IUCF HYU5SAMSUNG ELECTRO MECH5JEONG CHUN-SEOK3
Top patents by PatentIndex Score
78 records- 0196US7826583B2Clock data recovery apparatusHYNIX SEMICONDUCTOR INC·Filed 2007·Granted Nov 2, 2010·40 cites·11 claims
- 0295US6304116B1Delay locked looped circuits and methods of operation thereofSAMSUNG ELECTRONICS CO LTD·Filed 2000·Granted Oct 16, 2001·95 cites·17 claims
- 0394US7457189B2Integrated circuit memory devices that support selective mode register set commands and related methodsSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Nov 25, 2008·26 cites·7 claims
- 0494US6834014B2Semiconductor memory systems, methods, and devices for controlling active terminationSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Dec 21, 2004·89 cites·28 claims
- 0593US6877079B2Memory system having point-to-point bus configurationSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Apr 5, 2005·91 cites·39 claims
- 0693US6768363B2Output driver circuit for controlling up-slew rate and down-slew rate independently and up-driving strength and down-driving strength independentlySAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Jul 27, 2004·56 cites·37 claims
- 0792US8913026B2System for linking and controlling terminals and user terminal used in the sameIUCF HYU·Filed 2013·Granted Dec 16, 2014·12 cites·16 claims
- 0892US7277356B2Methods of controlling memory modules that support selective mode register set commandsSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Oct 2, 2007·21 cites·10 claims
- 0990US7426145B2Synchronous semiconductor memory device having on-die termination circuit and on-die termination methodSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Sep 16, 2008·19 cites·13 claims
- 1090US6477110B2Semiconductor memory device having different data rates in read operation and write operationSAMSUNG ELECTRONICS CO LTD·Filed 2001·Granted Nov 5, 2002·46 cites·16 claims
- 1188US6603686B2Semiconductor memory device having different data rates in read operation and write operationSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Aug 5, 2003·38 cites·6 claims
- 1287US8910079B2Method of adjusting an UI and user terminal using the sameIUCF HYU·Filed 2014·Granted Dec 9, 2014·6 cites·18 claims
- 1386US7369445B2Methods of operating memory systems including memory devices set to different operating modes and related systemsSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted May 6, 2008·15 cites·20 claims
- 1485US9437362B2Apparatus and method for wireless power receptionSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Sep 6, 2016·10 cites·20 claims
- 1585US7804720B2Integrated circuit memory devices including mode registers set using a data input/output busSAMSUNG ELECTRONICS CO LTD·Filed 2009·Granted Sep 28, 2010·10 cites·1 claims
- 1685US7102958B2Integrated circuit memory devices that support selective mode register set commands and related memory modules, memory controllers, and methodsSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Sep 5, 2006·27 cites·29 claims
- 1784US6683478B2Apparatus for ensuring correct start-up and phase locking of delay locked loopSAMSUNG ELECTRONICS CO LTD·Filed 2001·Granted Jan 27, 2004·31 cites·24 claims
- 1883US7636273B2Integrated circuit memory devices that support selective mode register set commandsSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Dec 22, 2009·9 cites·8 claims
- 1982US7313715B2Memory system having stub bus configurationSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Dec 25, 2007·31 cites·53 claims
- 2082US7239560B2Synchronous semiconductor memory device having on-die termination circuit and on-die termination methodSAMSUNG ELECTRONICS CO LTD·Filed 2004·Granted Jul 3, 2007·25 cites·23 claims
- 2181US6940321B2Circuit for generating a data strobe signal used in a double data rate synchronous semiconductor deviceSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Sep 6, 2005·28 cites·14 claims
- 2280US6535040B2Duty cycle correction circuits that reduce distortion caused by mismatched transistor pairsSAMSUNG ELECTRONICS CO LTD·Filed 2001·Granted Mar 18, 2003·26 cites·15 claims
- 2376US7800450B2Re-configurable low noise amplifier utilizing feedback capacitorsSILICON MOTION INC·Filed 2009·Granted Sep 21, 2010·8 cites·12 claims
- 2474US7212055B2Open-loop digital duty cycle correction circuit without DLLHYNIX SEMICONDUCTOR INC·Filed 2004·Granted May 1, 2007·16 cites·12 claims
- 2574US6625242B1Delay locked loops and methods that shift the phase of a delayed clock signal based on a reference phase valueSAMSUNG ELECTRONICS CO LTD·Filed 1999·Granted Sep 23, 2003·36 cites·15 claims
- 2672US9793740B2Apparatus and method for charge control in wireless charging systemSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Oct 17, 2017·3 cites·15 claims
- 2772US9252655B2Phase shift circuit and power factor correction circuit including the sameSAMSUNG ELECTRO MECH·Filed 2013·Granted Feb 2, 2016·3 cites·13 claims
- 2870US8520725B2Data equalizing circuit and data equalizing methodJEONG CHUN SEOK·Filed 2012·Granted Aug 27, 2013·3 cites·17 claims
- 2970US7376021B2Data output circuit and method in DDR synchronous semiconductor deviceSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted May 20, 2008·15 cites·13 claims
- 3070US7375596B2Quadrature voltage controlled oscillatorSAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted May 20, 2008·6 cites·13 claims
- 3168US6670835B2Delay locked loop for controlling phase increase or decrease and phase control method thereofSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Dec 30, 2003·15 cites·11 claims
- 3267US2022221971A1Method of adjusting an ui and user terminal using the sameARABILITY IP LLC·Filed 2022·Application pending·0 cites
- 3365US7616937B2Subharmonic mixer capable of reducing noise and enhancing gain and linearltySAMSUNG ELECTRONICS CO LTD·Filed 2006·Granted Nov 10, 2009·3 cites·11 claims
- 3465US6744284B2Receiver circuit of semiconductor integrated circuitSAMSUNG ELECTRONICS CO LTD·Filed 2002·Granted Jun 1, 2004·11 cites·30 claims
- 3564US6483364B2Ladder type clock network for reducing skew of clock signalsSAMSUNG ELECTRONICS CO LTD·Filed 2001·Granted Nov 19, 2002·11 cites·16 claims
- 3663US10656895B2System for linking and controlling terminals and user terminal used in the sameUNIV HANYANG IND UNIV COOP FOUND·Filed 2018·Granted May 19, 2020·0 cites·20 claims
- 3763US8791677B2Power factor correction circuit for correcting power factorYANG JEONG MO·Filed 2011·Granted Jul 29, 2014·3 cites·11 claims
- 3862US8078126B2Communication apparatus and low noise amplifying methodPARK JAE-WOO·Filed 2007·Granted Dec 13, 2011·2 cites·20 claims
- 3961US10331332B2Method of adjusting an UI and user terminal using the sameUNIV HANYANG IND UNIV COOP FOUND·Filed 2017·Granted Jun 25, 2019·0 cites·17 claims
- 4061US9712077B2Active rectifier and circuit for compensating for reverse current leakage using time delay scheme for zero reverse leakage currentSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Jul 18, 2017·1 cites·23 claims
- 4161US8072822B2Data alignment circuit and method of semiconductor memory apparatusJEONG CHUN SEOK·Filed 2009·Granted Dec 6, 2011·4 cites·20 claims
- 4260US11262908B2Method of adjusting an UI and user terminal using the sameARABILITY IP LLC·Filed 2019·Granted Mar 1, 2022·0 cites·20 claims
- 4360US2014125622A1System for linking and controlling terminals and user terminal used in the sameIUCF HYU·Filed 2014·Application pending·0 cites
- 4459US9337849B2Phase detector, phase-frequency detector, and digital phase locked loopSK HYNIX INC·Filed 2014·Granted May 10, 2016·1 cites·16 claims
- 4559US8941411B2Signal transmission circuitSK HYNIX INC·Filed 2013·Granted Jan 27, 2015·1 cites·17 claims
- 4659US7894260B2Synchronous semiconductor memory device having on-die termination circuit and on-die termination methodSAMSUNG ELECTRONICS CO LTD·Filed 2008·Granted Feb 22, 2011·3 cites·8 claims
- 4758US2025224901A1Volatile memory, system on chip and electronic device comprising the sameSAMSUNG ELECTRONICS CO LTD·Filed 2024·Application pending·0 cites
- 4857US10205353B2Apparatus and method for charging control in wireless charging systemSAMSUNG ELECTRONICS CO LTD·Filed 2017·Granted Feb 12, 2019·0 cites·16 claims
- 4957US9703470B2Method of adjusting an UI and user terminal using the sameINDUSTRY-UNIV COOP FOUND HANYANG UNIV·Filed 2013·Granted Jul 11, 2017·0 cites·18 claims
- 5056US9431889B2Active rectifier with delay locked loop to compensate for reverse current leakage and wireless power receiving apparatus including active rectifier with delay locked loop to compensate for reverse current leakageKIM DONG ZO·Filed 2011·Granted Aug 30, 2016·1 cites·13 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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