Inventor · disambiguated record
Chang Hwan Song
Also filed as: SONG CHANG-HWAN
4 granted patents·1 pending application·86 citations·filing 2005–2019
72Inventor score
Top patents by PatentIndex Score
5 records- 0194US8387117B2Context-aware role-based access control system and control method thereofUNIV SUNGKYUNKWAN FOUND·Filed 2009·Granted Feb 26, 2013·81 cites·16 claims
- 0275US9395068B2Flexible LED light source panel, and flexible LED lighting device for taking image by using the same panelSONG CHANG HWAN·Filed 2015·Granted Jul 19, 2016·4 cites·21 claims
- 0359US10107488B2Flexible LED substrate deviceSONG CHANG HWAN·Filed 2016·Granted Oct 23, 2018·1 cites·27 claims
- 0452US11186281B2Apparatus and method for preventing vehicle from fallingHYUNDAI MOTOR CO LTD·Filed 2019·Granted Nov 30, 2021·0 cites·18 claims
- 0536US2006099934A1Incoming call information notification method and apparatus using intelligent networkUANGEL CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →