Inventor
Sammy Cheung
Inventor
Pleasanton, CA, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Kprimary
H03KPulse technique61%
G11CStatic stores17%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1017%
G01RMeasuring electric variables6%
PatentTitleYear
8,863,061'Application-specific integrated circuit equivalents of programmable logic and associated methods'20148,504,963'Application-specific integrated circuit equivalents of programmable logic and associated methods'20138,291,355'Application-specific integrated circuit equivalents of programmable logic and associated methods'20127,870,513'Application-specific integrated circuit equivalents of programmable logic and associated methods'20117,243,329'Application-specific integrated circuit equivalents of programmable logic and associated methods'20076,599,764'Isolation testing scheme for multi-die packages'20036,577,157'Fully programmable I/O pin with memory'20036,489,817'Clock divider using positive and negative edge triggered state machines'20026,281,704'High-performance interconnect'20016,239,615'High-performance interconnect'20016,154,059'High performance output buffer'20005,936,973'Test mode latching scheme'19995,604,711'Low power high voltage switch with gate bias circuit to minimize power consumption'19975,572,474'Pseudo-differential sense amplifier'19965,568,081'Variable slew control for output buffers'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1999Patents assigned to CYPRESS SEMICONDUCTOR CORP (4)· patent assignee history
1996–2003Based in Pleasanton, CA, US· patent location history
2000–2014Patents assigned to ALTERA CORP (11)· patent assignee history
2007–2014Based in South San Francisco, CA, US· patent location history
2012–2013Patents assigned to CHEUNG SAMMY (2)· patent assignee history
2012–2013Patents assigned to CHUA KAR KENG (2)· patent assignee history
2012–2013Patents assigned to GOAY WEI LIAN (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALTERA CORP | 11 | 2000–2014 |
| CYPRESS SEMICONDUCTOR CORP | 4 | 1996–1999 |
| CHEUNG SAMMYself | 2 | 2012–2013 |
| CHUA KAR KENG | 2 | 2012–2013 |
| GOAY WEI LIAN | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pleasanton, California, US | 10 | 1996–2003 |
| South San Francisco, California, US | 5 | 2007–2014 |