Inventor · disambiguated record
Sung Hwa Ok
Also filed as: OK SUNG HWA
19 granted patents·13 pending applications·35 citations·filing 2009–2024
90Inventor score
Top patents by PatentIndex Score
32 records- 0177US8775761B2Semiconductor memory device and semiconductor memory system including the sameOK SUNG-HWA·Filed 2010·Granted Jul 8, 2014·8 cites·25 claims
- 0276US9280415B2Semiconductor device, semiconductor system and control method of semiconductor deviceSK HYNIX INC·Filed 2013·Granted Mar 8, 2016·5 cites·20 claims
- 0368US12431187B2Pre-charge control circuit and voltage generation circuit including the sameSK HYNIX INC·Filed 2023·Granted Sep 30, 2025·0 cites·18 claims
- 0467US8058913B2DLL-based multiphase clock generatorKIM CHULWOO·Filed 2009·Granted Nov 15, 2011·9 cites·7 claims
- 0566US9070428B2Semiconductor deviceSK HYNIX INC·Filed 2013·Granted Jun 30, 2015·3 cites·14 claims
- 0665US9275700B2Semiconductor deviceSK HYNIX INC·Filed 2013·Granted Mar 1, 2016·3 cites·12 claims
- 0763US8502577B2Phase correction circuit, data alignment circuit and method of aligning data using the sameOK SUNG HWA·Filed 2010·Granted Aug 6, 2013·3 cites·18 claims
- 0861US8817555B2Semiconductor memory deviceOK SUNG-HWA·Filed 2012·Granted Aug 26, 2014·3 cites·20 claims
- 0961US2025331185A1Semicoductor device including a decoupling capacitorSK HYNIX INC·Filed 2024·Application pending·0 cites
- 1055US12380024B2Memory device, operating method of memory device, and storage deviceSK HYNIX INC·Filed 2024·Granted Aug 5, 2025·0 cites·20 claims
- 1154US10170176B2Apparatus and methods for generating reference voltages for input buffers of a memory deviceSK HYNIX INC·Filed 2017·Granted Jan 1, 2019·1 cites·13 claims
- 1252US2025150066A1Transmission circuit with equalization function and training system including the sameSK HYNIX INC·Filed 2024·Application pending·0 cites
- 1351US11837310B2Memory device for correcting pulse duty and memory system including the sameSK HYNIX INC·Filed 2022·Granted Dec 5, 2023·0 cites·20 claims
- 1451US11270744B2Semiconductor memory device configured to output data based on a warm-up cycle and operating method thereofSK HYNIX INC·Filed 2020·Granted Mar 8, 2022·0 cites·15 claims
- 1549US12476849B2Receiver circuit and operation method for the sameSK HYNIX INC·Filed 2024·Granted Nov 18, 2025·0 cites·20 claims
- 1649US10978119B2Memory device and method of operating the sameSK HYNIX INC·Filed 2020·Granted Apr 13, 2021·0 cites·33 claims
- 1749US2025329358A1Write training circuit, semiconductor device, and data processing system including write training circuitSK HYNIX INC·Filed 2024·Application pending·0 cites
- 1849US2025330176A1Clock transmission circuitSK HYNIX INC·Filed 2024·Application pending·0 cites
- 1949US2025023530A1Receiver circuit, a semiconductor apparatus and a semiconductor system using the sameSK HYNIX INC·Filed 2023·Application pending·0 cites
- 2049US2025317129A1Clock transmission circuit and semiconductor device including the sameSK HYNIX INC·Filed 2024·Application pending·0 cites
- 2148US12493309B2Internal reference voltage generation deviceSK HYNIX INC·Filed 2023·Granted Dec 9, 2025·0 cites·20 claims
- 2248US9214956B2Semiconductor device, multichip package and semiconductor system using the sameSK HYNIX INC·Filed 2013·Granted Dec 15, 2015·0 cites·15 claims
- 2347US9384794B2Semiconductor device and method of operating the sameSK HYNIX INC·Filed 2013·Granted Jul 5, 2016·0 cites·12 claims
- 2447US2025054526A1Memory device and operating method of the memory deviceSK HYNIX INC·Filed 2024·Application pending·0 cites
- 2547US2025191623A1Impedance calibration circuit, semiconductor memory apparatus and memory system including impedance calibration circuitSK HYNIX INC·Filed 2024·Application pending·0 cites
- 2647US2025279774A1Duty cycle correction circuitSK HYNIX INC·Filed 2024·Application pending·0 cites
- 2746US2025166679A1Semiconductor deviceSK HYNIX INC·Filed 2024·Application pending·0 cites
- 2844US2025006231A1Tranceiver for data or signal transmission and a memory system including the tranceiverSK HYNIX INC·Filed 2023·Application pending·0 cites
- 2944US2025124957A1Memory device including pipe latchSK HYNIX INC·Filed 2024·Application pending·0 cites
- 3040US11551733B2Data strobe clock output circuitSK HYNIX INC·Filed 2020·Granted Jan 10, 2023·0 cites·20 claims
- 3133US8441871B2Ringback circuit for semiconductor memory deviceOK SUNG-HWA·Filed 2010·Granted May 14, 2013·0 cites·19 claims
- 3230US2013339641A1Integrated circuit chip and memory deviceSK HYNIX INC·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →