Inventor
Keh-Fei C. Chi
Inventor
Singapore, SG
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Bprimary
H10BElectronic memory devices23%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1023%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1015%
G01BMeasuring length, thickness or similar linear dimensions8%
G05BControl or regulating systems in general8%
H10DInorganic electric semiconductor devices8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
6,403,443'Method for reducing surface humps of doped amorphous silicon layer'20025,751,580'Fuzzy logic method and system for adjustment of priority rating of work in process in a production line'19985,543,350'SRAM resistor tab doping by plug implant from buried contact'19965,330,930'Formation of vertical polysilicon resistor having a nitride sidewall for small static RAM cell'19945,208,181'Locos isolation scheme for small geometry or high voltage circuit'19935,173,437'Double polysilicon capacitor formation compatable with submicron processing'19924,676,867'Planarization process for double metal MOS using spin-on glass as a sacrificial layer'19874,639,142'Dimension monitoring technique for semiconductor fabrication'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to ROCKWELL INTERNATIONAL CORP (2)· patent assignee history
1987Based in Garden Grove, CA, US· patent location history
1987Based in Torrance, CA, US· patent location history
1992–1998Patents assigned to CHARTERED SEMICONDUCTOR MFG (5)· patent assignee history
1992–1998Based in Singapore, SG· patent location history
2002Patents assigned to UNITED MICROELECTRONICS CORP (1)· patent assignee history
2002Based in Taipei, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHARTERED SEMICONDUCTOR MFG | 5 | 1992–1998 |
| ROCKWELL INTERNATIONAL CORP | 2 | 1987 |
| UNITED MICROELECTRONICS CORP | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Singapore, SG | 5 | 1992–1998 |
| Taipei, TW | 1 | 2002 |
| Garden Grove, California, US | 1 | 1987 |
| Torrance, California, US | 1 | 1987 |