Inventor
Kok Wai Johnny Chew
Inventor
Singapore, SG
Overview
Patents· 17 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Wprimary
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1029%
H10DInorganic electric semiconductor devices26%
H01FMagnets24%
Y10TTechnical subjects covered by former us classification12%
H03HImpedance networks, e.g. resonant circuits6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
8,242,872'Transformer with effective high turn ratio'20128,003,529'Method of fabrication an integrated circuit'20117,721,414'Method of manufacturing 3-D spiral stacked inductor on semiconductor material'20107,652,355'Integrated circuit shield structure'20107,573,081'Method to fabricate horizontal air columns underneath metal inductor'20097,570,144'Integrated transformer and method of fabrication thereof'20097,105,420'Method to fabricate horizontal air columns underneath metal inductor'20067,023,315'High performance RF inductors and transformers using bonding technique'20066,841,847'3-D spiral stacked inductor on semiconductor material'20056,803,848'Integrated helix coil inductor on silicon'20046,800,533'Integrated vertical spiral inductor on semiconductor material'20046,709,918'Method for making a metal-insulator-metal (MIM) capacitor and metal resistor for a copper back-end-of-line (BEOL) technology'20046,611,188'Integrated vertical spiral inductor on semiconductor material'20036,586,309'High performance RF inductors and transformers using bonding technique'20036,535,098'Integrated helix coil inductor on silicon'20036,521,939'High performance integrated varactor on silicon'20036,140,197'Method of making spiral-type RF inductors having a high quality factor (Q)'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2010Patents assigned to CHARTERED SEMICONDUCTOR MFG (14)· patent assignee history
2000–2009Patents assigned to UNIV SINGAPORE (3)· patent assignee history
2000–2012Based in Singapore, SG· patent location history
2011–2012Patents assigned to GLOBALFOUNDRIES SG PTE LTD (2)· patent assignee history
2012Patents assigned to CHAN LAP (1)· patent assignee history
2012Patents assigned to CHEW KOK WAI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHARTERED SEMICONDUCTOR MFG | 14 | 2000–2010 |
| UNIV SINGAPORE | 3 | 2000–2009 |
| GLOBALFOUNDRIES SG PTE LTD | 2 | 2011–2012 |
| CHAN LAP | 1 | 2012 |
| CHEW KOK WAIself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Singapore, SG | 17 | 2000–2012 |