Inventor
Chao-Hsuan Chuang
Inventor
Jhubei City, TW
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems18%
G05FSystems for regulating electric or magnetic variables14%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications14%
H05BElectric heating11%
G09GArrangements or circuits for control of indicating devices using static means to present variable information7%
H02HEmergency protective circuit arrangements7%
H03FAmplifiers7%
G11CStatic stores4%
H03HImpedance networks, e.g. resonant circuits4%
H03KPulse technique4%
PatentTitleYear
8,476,842'Driving device for LED module'20138,373,404'Negative lock loop and control method for a flyback voltage converter'20138,169,198'Anti-ring asynchronous boost converter and anti-ring method for an asynchronous boost converter'20127,991,172'Half-voltage headphone driver circuit'20117,907,377'Arrangement and method for an integrated protection for a power system'20117,907,013'Class AB output stage with programmable bias point control'20117,728,571'Load-dependent frequency jittering circuit and load-dependent frequency jittering method'20107,714,551'High PSRR linear voltage regulator and control method thereof'20107,619,396'Thermal dissipation improved power supply arrangement and control method thereof'20097,609,533'Light-load efficiency improving method and apparatus for a flyback converter'20097,570,121'Frequency jittering control circuit and method for using the same'20097,550,932'Control method and device for a power-converting module that drives a light-emitting component'20097,535,690'Arrangement and method for an integrated protection for a power system'20097,489,182'Charge pump start up circuit and method thereof'20097,388,592'Gamma voltage generator and method thereof for generating individually tunable gamma voltages'20087,332,879'Control method and device for a power-converting module that drives a light-emitting component'20087,271,802'Dual panel display backlight power controller chip for handheld apparatus'20077,180,886'Synchronized data communication on a one-wired bus'20077,099,127'High-side short-circuit protection for a voltage converter'20066,844,709'Programmable voltage supervisory circuit and method with minimum programming pins and low quiescent current'20056,809,616'Inductor equivalent circuit and application thereof'20046,747,508'Resistance mirror circuit'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2013Patents assigned to RICHTEK TECHNOLOGY CORP (20)· patent assignee history
2004–2009Based in Hsinchu, TW· patent location history
2007–2013Based in Jhubei City, TW· patent location history
2012–2013Patents assigned to CHUANG CHAO-HSUAN (3)· patent assignee history
2012Patents assigned to CHEN JIEN-SHENG (1)· patent assignee history
2012Patents assigned to CHU KWAN-JEN (1)· patent assignee history
2013Patents assigned to CHOU HUNG-CHE (2)· patent assignee history
2013Based in Hsinchu County, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICHTEK TECHNOLOGY CORP | 20 | 2004–2013 |
| CHUANG CHAO-HSUANself | 3 | 2012–2013 |
| CHOU HUNG-CHE | 2 | 2013 |
| CHEN JIEN-SHENG | 1 | 2012 |
| CHU KWAN-JEN | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Jhubei City, TW | 15 | 2007–2013 |
| Hsinchu, TW | 6 | 2004–2009 |
| Hsinchu County, TW | 1 | 2013 |