Inventor · disambiguated record
Chang Don Kee
Also filed as: KEE CHANG-DON
2 granted patents·4 pending applications·0 citations·filing 2002–2024
22Inventor score
Technology areasG01S
Top patents by PatentIndex Score
6 records- 0156US2025093509A1Indoor positioning system and method thereof using reflected lightSEOUL NAT UNIV R&DB FOUNDATION·Filed 2024·Application pending·0 cites
- 0246US12493123B2Method for estimating multipath error of pseudo-range measurement value, and positioning method using sameSEOUL NAT UNIV R&DB FOUNDATION·Filed 2021·Granted Dec 9, 2025·0 cites·13 claims
- 0338US12072426B2Time-differenced carrier phase measurement value-based navigation system, and position measurement methodSEOUL NAT UNIV R&DB FOUNDATION·Filed 2020·Granted Aug 27, 2024·0 cites·13 claims
- 0436US2022228863A1Indoor Positioning System and Method Using Reflected LightSEOUL NAT UNIV R&DB FOUNDATION·Filed 2020·Application pending·0 cites
- 0524US2009002230A1Pseudolite-based precise positioning system with synchronised pseudolitesKEE CHANG-DON·Filed 2008·Application pending·0 cites
- 0615US2005015198A1Pseudolite-based precise positioning system with synchronised pseudolitesFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →