Inventor
Wenping Liu
Inventor
Tempe, AZ, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices25%
E05BLocks13%
E05FDevices for moving wings into open or closed position13%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof13%
G06FElectric digital data processing13%
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 systems13%
Y10TTechnical subjects covered by former us classification13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1990Patents assigned to UNIV ARIZONA (2)· patent assignee history
1989–1990Based in Tempe, AZ, US· patent location history
2012–2013Patents assigned to LIU WENPING (2)· patent assignee history
2012Patents assigned to CHEN BAOGANG (1)· patent assignee history
2012Patents assigned to GU Yu (1)· patent assignee history
2012Based in Jiangsu, CN· patent location history
2013Patents assigned to FOCALTECH SYSTEMS LTD (1)· patent assignee history
2013Based in Shenzhen, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LIU WENPINGself | 2 | 2012–2013 |
| UNIV ARIZONA | 2 | 1989–1990 |
| CHEN BAOGANG | 1 | 2012 |
| FOCALTECH SYSTEMS LTD | 1 | 2013 |
| GU Yu | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tempe, AZ, US | 2 | 1989–1990 |
| Shenzhen, CN | 1 | 2013 |
| Jiangsu, CN | 1 | 2012 |