Inventor · disambiguated record
Ki-Chang Kwean
Also filed as: KWEAN KI-CHANG
39 granted patents·6 pending applications·193 citations·filing 1999–2016
97Inventor score
Top patents by PatentIndex Score
45 records- 0191US9373422B1Memory deviceSK HYNIX INC·Filed 2015·Granted Jun 21, 2016·11 cites·19 claims
- 0289US8902684B2Integrated circuit, system including the same, and operation method of the systemKWEAN KI-CHANG·Filed 2011·Granted Dec 2, 2014·18 cites·30 claims
- 0386US8315116B2Repair circuit and repair method of semiconductor memory apparatusKIM JE YOON·Filed 2010·Granted Nov 20, 2012·13 cites·21 claims
- 0486US6909643B2Semiconductor memory device having advanced data strobe circuitHYNIX SEMICONDUCTOR INC·Filed 2003·Granted Jun 21, 2005·40 cites·16 claims
- 0576US9471420B2Nonvolatile memory and semiconductor device including the sameSK HYNIX INC·Filed 2013·Granted Oct 18, 2016·3 cites·4 claims
- 0676US8248873B2Semiconductor memory device with high-speed data transmission capability, system having the same, and method for operating the sameBAE JI-HYAE·Filed 2008·Granted Aug 21, 2012·8 cites·17 claims
- 0772US7428183B2Synchronous semiconductor memory device for reducing power consumptionHYNIX SEMICONDUCTOR INC·Filed 2006·Granted Sep 23, 2008·2 cites·12 claims
- 0871US7872940B2Semiconductor memory device and method for testing the sameHYNIX SEMICONDUCTOR INC·Filed 2008·Granted Jan 18, 2011·7 cites·20 claims
- 0971US7228370B2Data output device and method of semiconductor deviceHYNIX SEMICONDUCTOR INC·Filed 2005·Granted Jun 5, 2007·8 cites·33 claims
- 1070US8274321B2Fuse circuit and operation method thereofCHI SUNG-SOO·Filed 2010·Granted Sep 25, 2012·4 cites·14 claims
- 1168US9324394B2Strobe signal generation device and memory apparatus using the sameSK HYNIX INC·Filed 2014·Granted Apr 26, 2016·3 cites·18 claims
- 1265US8379471B2Refresh operation control circuit, semiconductor memory device including the same, and refresh operation control methodHYNIX SEMICONDUCTOR INC·Filed 2010·Granted Feb 19, 2013·3 cites·18 claims
- 1361US7139210B2Synchronous semiconductor memory device for reducing power consumptionHYNIX SEMICONDUCTOR INC·Filed 2004·Granted Nov 21, 2006·6 cites·7 claims
- 1458US6072744AMemory device having data bus lines of uniform lengthHYUNDAI ELECTRONICS IND·Filed 1999·Granted Jun 6, 2000·18 cites·3 claims
- 1557US7742345B2Data input circuit of semiconductor memory apparatus and method of inputting the dataHYNIX SEMICONDUCTOR INC·Filed 2007·Granted Jun 22, 2010·3 cites·23 claims
- 1656US9058437B2Semiconductor memory device with high-speed data transmission capability, system having the same, and method for operating the sameBAE JI-HYAE·Filed 2012·Granted Jun 16, 2015·1 cites·7 claims
- 1756US8737146B2Semiconductor memory device having redundancy circuit for repairing defective unit cellKIM KWI-DONG·Filed 2009·Granted May 27, 2014·3 cites·19 claims
- 1855US8897087B2Memory device and operating method of memory device and memory systemSK HYNIX INC·Filed 2013·Granted Nov 25, 2014·1 cites·20 claims
- 1955US7057966B2Semiconductor memory device for reducing current consumption in operationHYNIX SEMICONDUCTOR INC·Filed 2004·Granted Jun 6, 2006·8 cites·5 claims
- 2055US7054220B2Memory device having repeatersHYNIX SEMICONDUCTOR INC·Filed 2003·Granted May 30, 2006·8 cites·3 claims
- 2154US9437275B2Memory system and method for operating the sameSK HYNIX INC·Filed 2013·Granted Sep 6, 2016·1 cites·12 claims
- 2254US7760557B2Buffer control circuit of memory deviceHYNIX SEMICONDUCTOR INC·Filed 2007·Granted Jul 20, 2010·2 cites·17 claims
- 2353US7667483B2Circuit and method for controlling termination impedanceHYNIX SEMICONDUCTOR INC·Filed 2008·Granted Feb 23, 2010·2 cites·13 claims
- 2453US7256609B2Data acceleration device and data transmission apparatus using the sameHYNIX SEMICONDUCTOR INC·Filed 2005·Granted Aug 14, 2007·2 cites·21 claims
- 2553US6906976B2Auto refresh control circuit of semiconductor memory deviceHYNIX SEMICONDUCTOR INC·Filed 2003·Granted Jun 14, 2005·7 cites·7 claims
- 2652US7319342B2Data acceleration device and data transmission apparatus using the sameHYNIX SEMICONDUCTOR INC·Filed 2007·Granted Jan 15, 2008·0 cites·26 claims
- 2750US7538601B2Step-up voltage generator for semiconductor memory and method for controlling the sameHYNIX SEMICONDUCTOR INC·Filed 2006·Granted May 26, 2009·2 cites·9 claims
- 2850US7529146B2Semiconductor deviceHYNIX SEMICONDUCTOR INC·Filed 2006·Granted May 5, 2009·2 cites·21 claims
- 2949US9559677B2Stacked semiconductor apparatus being electrically connected through through-via and monitoring methodSK HYNIX INC·Filed 2014·Granted Jan 31, 2017·0 cites·10 claims
- 3049US7423914B2Data output device and method of semiconductor deviceHYNIX SEMICONDUCTOR INC·Filed 2005·Granted Sep 9, 2008·2 cites·21 claims
- 3148US7755959B2Semiconductor memory device with reduced number of channels for test operationHYNIX SEMICONDUCTOR INC·Filed 2007·Granted Jul 13, 2010·1 cites·14 claims
- 3246US7221573B2Voltage up converterHYNIX SEMICONDUCTOR INC·Filed 2004·Granted May 22, 2007·4 cites·16 claims
- 3343US10127999B2Nonvolatile memory and semiconductor device including the sameSK HYNIX INC·Filed 2016·Granted Nov 13, 2018·0 cites·8 claims
- 3443US7961528B2Buffer control circuit of memory deviceHYNIX SEMICONDUCTOR INC·Filed 2010·Granted Jun 14, 2011·0 cites·20 claims
- 3542US8947955B2Semiconductor memory, memory system, and operation method thereofSK HYNIX INC·Filed 2013·Granted Feb 3, 2015·0 cites·18 claims
- 3641US7679981B2Semiconductor deviceHYNIX SEMICONDUCTOR INC·Filed 2009·Granted Mar 16, 2010·0 cites·19 claims
- 3740US9286157B2Address detection circuit and memory including the sameSK HYNIX INC·Filed 2013·Granted Mar 15, 2016·0 cites·19 claims
- 3838US8045397B2Semiconductor memory device having common circuitry for controlling address and data mask informationHYNIX SEMICONDUCTOR INC·Filed 2007·Granted Oct 25, 2011·0 cites·16 claims
- 3937US8634265B2Semiconductor memory device and method for operating the sameKIM KWI-DONG·Filed 2010·Granted Jan 21, 2014·0 cites·9 claims
- 4037US2011141830A1Semiconductor memory device and method for operating the sameCHI SUNG-SOO·Filed 2009·Application pending·0 cites
- 4137US2014181456A1Memory, memory controller, memory system including the memory and the memory controller, and operating method of the memory systemSK HYNIX INC·Filed 2013·Application pending·0 cites
- 4235US2006221749A1Internal voltage generating circuitHYNIX SEMICONDUCTOR INC·Filed 2005·Application pending·0 cites
- 4334US2010164540A1Semiconductor Memory DeviceKWEAN KI-CHANG·Filed 2009·Application pending·0 cites
- 4432US2011156808A1Internal voltage generation circuitIM JONG-MAN·Filed 2009·Application pending·0 cites
- 4532US2011235453A1Fuse circuit and repair control circuit using the sameCHI SUNG-SOO·Filed 2010·Application pending·0 cites
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