Inventor · disambiguated record
Sang Gyoon Chang
Also filed as: CHANG SANG-GYOON
6 granted patents·1 pending application·7 citations·filing 1997–2017
70Inventor score
Top patents by PatentIndex Score
7 records- 0168US10062461B2Spent fuel transfer device for transferring spent fuel between storage poolsKEPCO ENG & CONSTR CO INC·Filed 2015·Granted Aug 28, 2018·1 cites·6 claims
- 0256US9847146B2Anti-seismic apparatus for control element drive mechanismsKEPCO ENG & CONSTR CO INC·Filed 2014·Granted Dec 19, 2017·1 cites·15 claims
- 0346US10224121B2Sealing mechanism for a nuclear reactor vessel cable penetration tubeKEPCO ENG & CONSTR CO INC·Filed 2017·Granted Mar 5, 2019·0 cites·5 claims
- 0441US9711245B2Magnetic jack type control element drive mechanism for precision position control of control element assemblyKEPCO ENG & CONSTR CO INC·Filed 2015·Granted Jul 18, 2017·0 cites·4 claims
- 0534US10304571B2Magnetic jack type in-vessel control element drive mechanismKEPCO ENG & CONSTR CO INC·Filed 2015·Granted May 28, 2019·0 cites·5 claims
- 0631US2003012327A1Upper guide structure for simplification of refueling procedure in nuclear power plantFiled 2002·Application pending·0 cites
- 0726US6053042AFrequency-analysis-type water level measuring method and device thereforKOREA POWER ENG CO INC·Filed 1997·Granted Apr 25, 2000·5 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Sang Gyoon Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →