Inventor
Chun-Hung Chang
Inventor
Hsinchu, TW
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Fprimary
H03FAmplifiers29%
C23CCoating metallic material14%
F04DNon-positive-displacement pumps14%
F15DFluid dynamics, i.e. methods or means for influencing the flow of gases or liquids14%
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 systems14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1014%
PatentTitleYear
9,657,757'System of exhuast and operation method thereof'20178,283,905'Voltage converter and control method thereof'20127,265,614'Amplifier circuit with reduced power-off transients and method thereof'20077,259,619'Amplifier circuit with reduced power-on transients and method thereof'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007Patents assigned to ANALOG AND POWER ELECTRONICS C (2)· patent assignee history
2007–2012Based in Hsinchu, TW· patent location history
2012Patents assigned to CHANG CHUN-HUNG (1)· patent assignee history
2012Patents assigned to CHEN JIUN-CHIANG (1)· patent assignee history
2012Patents assigned to LIU TE-HSIEN (1)· patent assignee history
2017Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (1)· patent assignee history
2017Based in Hsinchu County, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ANALOG AND POWER ELECTRONICS C | 2 | 2007 |
| CHANG CHUN-HUNGself | 1 | 2012 |
| CHEN JIUN-CHIANG | 1 | 2012 |
| LIU TE-HSIEN | 1 | 2012 |
| TAIWAN SEMICONDUCTOR MFG CO LTD | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hsinchu, TW | 3 | 2007–2012 |
| Hsinchu County, TW | 1 | 2017 |