Inventor · disambiguated record
Chang Su Ryu
Also filed as: RYU CHANG SU
9 granted patents·1 pending application·340 citations·filing 1997–2014
89Inventor score
Top patents by PatentIndex Score
10 records- 0180US6928354B2Apparatus and method for controlling vehicle brake using brain wavesKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Aug 9, 2005·18 cites·10 claims
- 0279US6609024B1Method of making a judgment on emotional positivity or negativity by detecting asymmetry of brain waves of left and right cerebral hemispheresKOREA ELECTRONICS TELECOMM·Filed 1999·Granted Aug 19, 2003·95 cites·8 claims
- 0373US9589304B2Method and system of providing social network services associated with management of personal connections and off-line activity by applying life cycle concept of creatureRYU CHANG SU·Filed 2014·Granted Mar 7, 2017·3 cites·14 claims
- 0470US7035685B2Apparatus and method for measuring electroencephalogramKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Apr 25, 2006·55 cites·8 claims
- 0566US6021346AMethod for determining positive and negative emotional states by electroencephalogram (EEG)KOREA ELECTRONICS TELECOMM·Filed 1998·Granted Feb 1, 2000·141 cites·4 claims
- 0648US7162295B2Apparatus and method for recognizing positive/negative intention using fine change of gamma wave of brainwaveKOREA ELECTRONICS TELECOMM·Filed 2004·Granted Jan 9, 2007·5 cites·22 claims
- 0739US2003046254A1Apparatus for controlling electrical device using bio-signal and method thereofFiled 2002·Application pending·0 cites
- 0837US5857979AMethod for analyzing electroencephalogram using correlation dimensionKOREA ELECTRONICS TELECOMM·Filed 1997·Granted Jan 12, 1999·21 cites·2 claims
- 0932US6040641AMethod for manufacturing probabilistic switch using multiplicative noiseKOREA ELECTRONICS TELECOMM·Filed 1997·Granted Mar 21, 2000·2 cites·3 claims
- 1030US5959483AMethod for amplifying voltage in Josephon junctionKOREA ELECTRONICS TELECOMM·Filed 1997·Granted Sep 28, 1999·0 cites·1 claims
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