Inventor
Wei-Chun Chang
Inventor
Taipei, TW
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits6%
H10DInorganic electric semiconductor devices6%
A61KPreparations for medical, dental or toiletry purposes4%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
C07DHeterocyclic compounds4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C08LCompositions of macromolecular compounds4%
C12NMicroorganisms or enzymes4%
C12YEnzymes4%
PatentTitleYear
10,717,714Reactive ultraviolet absorber and application thereof202010,385,145Liquid photo initiating compound and uses of the same20199,968,009System with fresh air flow toward downstream components for cooling20189,968,005Different HDD gap architecture to reduce upstream preheat for high-density storage20189,932,572Modified Caspase polypeptides and uses thereof20189,664,991'Projector with light pollution shield function and light pollution shielding method thereof'20179,638,915'Projector and color wheel module dust removing method'20179,472,957'Non-contact transformer system'20169,434,935'Modified caspase polypeptides and uses thereof'20168,902,613'Integrated converter with single-ended control, power factor correction, and low output ripple'20148,828,827'Manufacturing method of anti punch-through leakage current metal-oxide-semiconductor transistor'20148,562,147'Remote-controlled projector with obstacle detecting capability'20138,546,880'Anti punch-through leakage current metal-oxide-semiconductor transistor and manufacturing method thereof'20138,482,063'High voltage semiconductor device'20137,738,289'Memory accessing circuit and method'20107,450,791'Optic control module'20086,970,643'Radiator having a fan in variable rotation speed'20056,894,441'Method and apparatus for detecting remaining lamp lifetime'20055,200,474'Polyimide adhesive composition including barbituric acid modifier'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993–2020Based in Taipei, TW· patent location history
2005Patents assigned to BENQ CORP (2)· patent assignee history
2013–2016Patents assigned to CHANG WEI-CHUN (4)· patent assignee history
2013–2017Patents assigned to QISDA CORP (3)· patent assignee history
2013–2014Patents assigned to UNITED MICROELECTRONICS CORP (3)· patent assignee history
2013–2014Based in Kaohsiung, TW· patent location history
2016–2018Patents assigned to BELLICUM PHARMACEUTICALS INC (2)· patent assignee history
2016–2018Based in Houston, TX, US· patent location history
2017Based in New Taipei, TW· patent location history
2018Based in Taoyuan, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHANG WEI-CHUNself | 4 | 2013–2016 |
| QISDA CORP | 3 | 2013–2017 |
| UNITED MICROELECTRONICS CORP | 3 | 2013–2014 |
| BELLICUM PHARMACEUTICALS INC | 2 | 2016–2018 |
| BENQ CORP | 2 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Taipei, TW | 5 | 1993–2020 |
| Kaohsiung, TW | 3 | 2013–2014 |
| Taoyuan, TW | 2 | 2018 |
| Houston, Texas, US | 2 | 2016–2018 |
| New Taipei, TW | 2 | 2017 |