Inventor · disambiguated record
Duk Soon Choi
Also filed as: CHOI DUK SOON
11 granted patents·2 pending applications·18 citations·filing 2003–2022
83Inventor score
Top patents by PatentIndex Score
13 records- 0193US11953062B2One-way clutch regenerative braking systemNEOOTO CO LTD·Filed 2022·Granted Apr 9, 2024·2 cites·5 claims
- 0290US10480622B2Two-speed transmission for electric vehicleNEOOTO CO LTD·Filed 2017·Granted Nov 19, 2019·8 cites·9 claims
- 0389US11773972B2Transmission apparatus for electric vehicleNEOOTO CO LTD·Filed 2022·Granted Oct 3, 2023·2 cites·1 claims
- 0472US9664706B2Semiconductor chip testing apparatus for picking up and testing a semiconductor chipSEMICORE INC·Filed 2015·Granted May 30, 2017·4 cites·6 claims
- 0569US11994173B2Clutch pack system for transmissionNEOOTO CO LTD·Filed 2022·Granted May 28, 2024·0 cites·4 claims
- 0661US11885414B2Parking apparatus for vehicle with rack and pinion structure and transmission for vehicle including the sameNEOOTO CO LTD·Filed 2022·Granted Jan 30, 2024·0 cites·4 claims
- 0759US11754149B2Transmission for electric car with improved one-way clutchNEOOTO CO LTD·Filed 2022·Granted Sep 12, 2023·0 cites·5 claims
- 0853US2007184680A1Socket board and test board system having the sameSAMSUNG ELECTRONICS CO LTD·Filed 2007·Application pending·0 cites
- 0951US12025215B2Transmission with structure for preventing rotation of snap ringNEOOTO CO LTD·Filed 2022·Granted Jul 2, 2024·0 cites·4 claims
- 1050US11746899B2Transmission with 1 axis shift mechanismNEOOTO CO LTD·Filed 2022·Granted Sep 5, 2023·0 cites·6 claims
- 1147US11920661B2Vehicle transmission and vehicle powertrain deviceNEOOTO CO LTD·Filed 2019·Granted Mar 5, 2024·0 cites·6 claims
- 1240US6911815B2Semiconductor test system and method of operating the sameSAMSUNG ELECTRONICS CO LTD·Filed 2003·Granted Jun 28, 2005·2 cites·28 claims
- 1332US2004178814A1Semiconductor tester coupling arrangement and electrical testing method thereofFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →