Inventor
Kenneth H. Yao
Inventor
Essex Junction, VT, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B08Bprimary
B08BCleaning in general50%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
PatentTitleYear
7,531,059'Cleaning of semiconductor wafers by contaminate encapsulation'20096,939,408'Method for surface preparation of workpieces utilizing fluid separation techniques'20056,776,171'Cleaning of semiconductor wafers by contaminate encapsulation'20046,340,601'Method for reworking copper metallurgy in semiconductor devices'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2009Patents assigned to IBM (4)· patent assignee history
2002–2009Based in Essex Junction, VT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| IBM | 4 | 2002–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Essex Junction, VT, US | 4 | 2002–2009 |