Inventor
Hung-Wen Chang
Inventor
Hsinchu, TW
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Fprimary
A61FFilters implantable into blood vessels13%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding13%
G01VGeophysics13%
G02BOptical elements, systems or apparatus13%
G05FSystems for regulating electric or magnetic variables13%
G11CStatic stores13%
H01LSemiconductor devices13%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1013%
PatentTitleYear
9,721,783'Methods for particle reduction in semiconductor processing'20179,156,141'Adaptor for wrench device'20159,153,344'Device for detecting defective global word line'20158,975,465'Diaper having a wetness detector, system thereof and wetness detecting method'20157,493,010'Stepped light guide'20096,566,847'Low power charge pump regulating circuit'20035,274,604'Method for spatially filtering signals representing formation and channel echoes in a borehole environment'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003Based in Miaoli, TW· patent location history
2009Patents assigned to EMERGING DISPLAY TECHNOLOGIES (1)· patent assignee history
2009Based in Kaohsiung, TW· patent location history
2015–2017Patents assigned to CHANG HUNG-WEN (2)· patent assignee history
2015Patents assigned to CHANG HUNG WEN (1)· patent assignee history
2015Patents assigned to CHEN CHU-HSUAN (1)· patent assignee history
2015–2017Based in Hsinchu, TW· patent location history
2015Based in Taichung, TW· patent location history
2015Based in New Taipei, TW· patent location history
2017Patents assigned to CHENG TIEN-CHIH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHANG HUNG-WENself | 2 | 2015–2017 |
| CHANG HUNG WENself | 1 | 2015 |
| CHEN CHU-HSUAN | 1 | 2015 |
| CHENG TIEN-CHIH | 1 | 2017 |
| EMERGING DISPLAY TECHNOLOGIES | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hsinchu, TW | 2 | 2015–2017 |
| Taichung, TW | 1 | 2015 |
| New Taipei, TW | 1 | 2015 |
| Kaohsiung, TW | 1 | 2009 |
| Miaoli, TW | 1 | 2003 |