Inventor
Chang Su Ryu
Inventor
Daejeon, KR
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis35%
G06FElectric digital data processing18%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles6%
B60TVehicle brake control systems or parts thereof6%
G06NComputing arrangements based on specific computational models6%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes6%
H03FAmplifiers6%
H03KPulse technique6%
H10NElectric solid-state devices not otherwise provided for6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
9,589,304'Method and system of providing social network services associated with management of personal connections and off-line activity by applying life cycle concept of creature'20177,162,295'Apparatus and method for recognizing positive/negative intention using fine change of gamma wave of brainwave'20077,035,685'Apparatus and method for measuring electroencephalogram'20066,928,354'Apparatus and method for controlling vehicle brake using brain waves'20056,609,024'Method of making a judgment on emotional positivity or negativity by detecting asymmetry of brain waves of left and right cerebral hemispheres'20036,040,641'Method for manufacturing probabilistic switch using multiplicative noise'20006,021,346'Method for determining positive and negative emotional states by electroencephalogram (EEG)'20005,959,483'Method for amplifying voltage in Josephon junction'19995,857,979'Method for analyzing electroencephalogram using correlation dimension'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2007Patents assigned to KOREA ELECTRONICS TELECOMM (8)· patent assignee history
1999–2007Based in Daejeon, KR· patent location history
1999–2005Based in Kumi-shi, KR· patent location history
2003Based in Taejon, KR· patent location history
2006Based in Daejon, KR· patent location history
2017Patents assigned to RYU CHANG SU (1)· patent assignee history
2017Based in Seoul, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOREA ELECTRONICS TELECOMM | 8 | 1999–2007 |
| RYU CHANG SUself | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 4 | 1999–2007 |
| Kumi-shi, KR | 2 | 1999–2005 |
| Seoul, KR | 1 | 2017 |
| Daejon, KR | 1 | 2006 |
| Taejon, KR | 1 | 2003 |