Inventor
Yuan-Chih Chiang
Inventor
Hsinchu, TW
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Lprimary
H01LSemiconductor devices18%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1018%
B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for12%
G05BControl or regulating systems in general12%
Y02PClimate change mitigation technologies in the production or processing of goods12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%
Y10TTechnical subjects covered by former us classification12%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
PatentTitleYear
9,805,946'Photoresist removal'20179,583,352'Method of etching and cleaning wafers'20179,136,149'Loading port, system for etching and cleaning wafers and method of use'20155,784,907'Adjustable and expandable device for locking gear-shifting lever of motor vehicle'19985,778,710'Device for locking gear shift of motor vehicle'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Based in Tan-Tzu Hsiang, TW· patent location history
1998Based in Changhua County, TW· patent location history
2015Patents assigned to TAIWAN SEMICONDUCTOR MFG (1)· patent assignee history
2015–2017Based in Hsinchu, TW· patent location history
2017Patents assigned to TAIWAN SEMICONDUCTOR MFG CO LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TAIWAN SEMICONDUCTOR MFG CO LTD | 2 | 2017 |
| TAIWAN SEMICONDUCTOR MFG | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hsinchu, TW | 3 | 2015–2017 |
| Tan-Tzu Hsiang, TW | 1 | 1998 |
| Changhua County, TW | 1 | 1998 |