Inventor
Tien-Tzu Chen
Inventor
Hsinchu, TW
Overview
Patents· 19 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 systems37%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications17%
H05BElectric heating10%
G01RMeasuring electric variables7%
H03FAmplifiers7%
H03KPulse technique7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
G05FSystems for regulating electric or magnetic variables3%
G06KGraphical data reading3%
H02JElectric power networks3%
PatentTitleYear
7,843,146'LED dimming control circuit'20107,498,791'Reverse current preventing circuit and method'20097,474,544'Initial voltage establishing circuit for a switching voltage converter'20097,339,360'Switching voltage regulator with an improved range of input voltage'20087,271,642'Charge pump drive circuit for a light emitting diode'20077,180,274'Switching voltage regulator operating without a discontinuous mode'20077,176,667'Buck-boost voltage converter'20077,157,888'Light loading control circuit for a buck-boost voltage converter'20077,123,060'Drive circuit for a switching element'20067,106,032'Linear voltage regulator with selectable light and heavy load paths'20067,050,914'Current sensing circuit'20067,009,857'Soft-start charge pump circuit'20066,995,603'High efficiency charge pump with prevention from reverse current'20066,911,867'Error amplifier and DC-DC converter and the method thereof'20056,903,537'Switching DC-to-DC converter with multiple output voltages'20056,903,935'Memory card with a static electricity conducting board'20056,861,830'Method of improving transient noise of a switching DC-to-DC converter with multiple output voltages'20056,791,368'Current sensing circuit and method of a high-speed driving stage'20046,724,989'Camera strobe recharging integrated circuit'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2008Patents assigned to AIMTRON TECHNOLOGY CORP (15)· patent assignee history
2004–2005Based in Taipei, TW· patent location history
2004Based in Kaohsiung, TW· patent location history
2006–2010Based in Hsinchu, TW· patent location history
2009Patents assigned to GLOBAL MIXED MODE TECHNOLOGY I (2)· patent assignee history
2010Patents assigned to GLOBAL MIXED MODE TECHNOLOGY INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AIMTRON TECHNOLOGY CORP | 15 | 2004–2008 |
| GLOBAL MIXED MODE TECHNOLOGY I | 2 | 2009 |
| GLOBAL MIXED MODE TECHNOLOGY INC | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hsinchu, TW | 13 | 2006–2010 |
| Taipei, TW | 5 | 2004–2005 |
| Kaohsiung, TW | 1 | 2004 |