Inventor · disambiguated record
Sung Chul Cha
Also filed as: CHA SUNG CHUL
21 granted patents·23 pending applications·19 citations·filing 2011–2023
90Inventor score
Top patents by PatentIndex Score
44 records- 0190US9133543B2Coating material for aluminum die casting mold and method for manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2013·Granted Sep 15, 2015·5 cites·6 claims
- 0288US8746027B2Multi-layer mold coatingHYUNDAI MOTOR CO LTD·Filed 2012·Granted Jun 10, 2014·4 cites·11 claims
- 0386US10060014B2Bearing steel having improved fatigue durability and method of manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2015·Granted Aug 28, 2018·2 cites·4 claims
- 0482US10329650B2High manganese steelHYUNDAI MOTOR CO LTD·Filed 2016·Granted Jun 25, 2019·1 cites·13 claims
- 0580US10000831B2Highly durable coil spring steelHYUNDAI MOTOR CO LTD·Filed 2016·Granted Jun 19, 2018·1 cites·7 claims
- 0679US10308996B2Hot stamping steel and producing method thereofHYUNDAI MOTOR CO LTD·Filed 2015·Granted Jun 4, 2019·1 cites·9 claims
- 0770US9181847B2Coating material for parts of engine exhaust system and method for manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2013·Granted Nov 10, 2015·2 cites·4 claims
- 0870US9085028B2Method for manufacturing valve train parts using metal powder injection moldingHYUNDAI MOTOR CO LTD·Filed 2012·Granted Jul 21, 2015·1 cites·6 claims
- 0968US9243310B2Coating material for aluminum die casting and method for coating the sameHYUNDAI MOTOR CO LTD·Filed 2013·Granted Jan 26, 2016·2 cites·3 claims
- 1068US2019242005A1Method of treating composite piston pin and surface treated composite piston pinHYUNDAI MOTOR CO LTD·Filed 2019·Application pending·0 cites
- 1164US11661649B2Component for fuel injector and method for coating the sameHYUNDAI KEFICO CORP·Filed 2020·Granted May 30, 2023·0 cites·7 claims
- 1263US10400324B2Method of treating composite piston pin and surface treated composite piston pinHYUNDAI MOTOR CO LTD·Filed 2016·Granted Sep 3, 2019·0 cites·4 claims
- 1358US2016069245A1Coating material for parts of engine exhaust system and method for manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 1457US2014093642A1Coating material for aluminum die casting mold and method of manufacturing the coating materialKIA MOTORS CORP·Filed 2013·Application pending·0 cites
- 1555US10513765B2Stainless steel having excellent oxidation resistance at high temperatureHYUNDAI MOTOR CO LTD·Filed 2016·Granted Dec 24, 2019·0 cites·11 claims
- 1655US9957595B2Carburized alloy steel having improved durability and method of manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2015·Granted May 1, 2018·0 cites·3 claims
- 1754US10487382B2High strength special steelHYUNDAI MOTOR CO LTD·Filed 2016·Granted Nov 26, 2019·0 cites·7 claims
- 1854US2014044944A1Coating material for aluminum die casting mold and method of manufacturing the coating materialHYUNDAI MOTOR CO LTD·Filed 2012·Application pending·0 cites
- 1954US2025290189A1Electromagnetic wave shielding material and method of preparing the sameHYUNDAI KEFICO CORP·Filed 2023·Application pending·0 cites
- 2052US10689736B2Ultra-high-strength spring steel for valve springHYUNDAI MOTOR CO LTD·Filed 2016·Granted Jun 23, 2020·0 cites·5 claims
- 2151US10544486B2Nickel alloys for exhaust system componentsHYUNDAI MOTOR CO LTD·Filed 2016·Granted Jan 28, 2020·0 cites·13 claims
- 2250US10718039B2High strength spring steel having excellent corrosion resistanceHYUNDAI MOTOR CO LTD·Filed 2016·Granted Jul 21, 2020·0 cites·7 claims
- 2349US10487380B2High-strength special steelHYUNDAI MOTOR CO LTD·Filed 2016·Granted Nov 26, 2019·0 cites·3 claims
- 2449US2013214493A1Vehicle piston ring having multi-layer coatingCHA SUNG CHUL·Filed 2012·Application pending·0 cites
- 2548US10487381B2Ultrahigh-strength spring steelHYUNDAI MOTOR CO LTD·Filed 2016·Granted Nov 26, 2019·0 cites·6 claims
- 2646US10494705B2Ultra high-strength spring steelHYUNDAI MOTOR CO LTD·Filed 2016·Granted Dec 3, 2019·0 cites·9 claims
- 2746US8826880B2Valve for engine and method for treating surface thereofKANG YOUNG JOON·Filed 2012·Granted Sep 9, 2014·0 cites·15 claims
- 2846US2017298487A1High strength spring steel having excellent corrosion resistanceHYUNDAI MOTOR CO LTD·Filed 2016·Application pending·0 cites
- 2946US2020217287A1Ball and valve seat for fuel injector, and method for coating sameHYUNDAI KEFICO CORP·Filed 2018·Application pending·0 cites
- 3045US2017159159A1Coil spring steelHYUNDAI MOTOR CO LTD·Filed 2016·Application pending·0 cites
- 3145US2014083387A1Coating material for intake/exhaust valve and method for manufacturing thereofHYUNDAI MOTOR CO LTD·Filed 2013·Application pending·0 cites
- 3244US2012315453A1Coating layer structure of basic material of moldCHA SUNG CHUL·Filed 2011·Application pending·0 cites
- 3344US2017362688A1High-strength spring steel having excellent corrosion resistanceHYUNDAI MOTOR CO LTD·Filed 2016·Application pending·0 cites
- 3444US2013101818A1Surface coating film for a forming machine and method of manufacturing the sameCHA SUNG CHUL·Filed 2012·Application pending·0 cites
- 3543US2018010688A1Composite piston pin and manufacturing method of the sameHYUNDAI MOTOR CO LTD·Filed 2016·Application pending·0 cites
- 3642US2021254206A1Ball and valve seat for fuel injector, and method for coating the sameHYUNDAI KEFICO CORP·Filed 2019·Application pending·0 cites
- 3742US2016145702A1Bearing steel having improved fatigue durability and method of manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 3842US2013200572A1Vehicle piston ring having a nano multi-layer coatingCHA SUNG CHUL·Filed 2012·Application pending·0 cites
- 3942US2017159158A1Ultra-high-strength spring steelHYUNDAI MOTOR CO LTD·Filed 2016·Application pending·0 cites
- 4042US2016305006A1Carburizing alloy steel having improved durability and method of manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 4142US2016160338A1Carburized alloy steel having superior durability and method of manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 4241US2016002766A1High temperature low friction coating layer and the method of the sameHYUNDAI MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 4340US2016369370A1Bearing steel having improved fatigue durability and method of manufacturing the sameHYUNDAI MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 4437US2012129636A1Friction reducing device of timing chain for vehicleLEE SEUNG WOO·Filed 2011·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →