Inventor
Kent R. Callahan
Inventor
Hillsboro, OR, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing23%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses23%
G01RMeasuring electric variables15%
H01FMagnets8%
H03HImpedance networks, e.g. resonant circuits8%
H03KPulse technique8%
H03MCoding8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
8,255,733'Clock delay and skew control systems and methods'20127,663,419'Clock systems and methods'20107,456,672'Clock systems and methods'20087,157,924'Method and apparatus for on-die voltage fluctuation detection'20076,747,470'Method and apparatus for on-die voltage fluctuation detection'20046,614,317'Variable lock window for a phase locked loop'20036,531,974'Controlling time delay'20036,208,169'Internal clock jitter detector'20015,347,278'Pulse density mapping method and circuit for delta sigma modulators'19944,656,450'Transformer and ferrite core structure therefor'19874,344,050'Dual channel digitally switched capacitor filter'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to AMERICAN MICRO SYST (1)· patent assignee history
1982Based in Lynwood, WA, US· patent location history
1987Based in Belleville, CA· patent location history
1994Based in Colorado Springs, CO, US· patent location history
2001–2007Patents assigned to INTEL CORP (5)· patent assignee history
2001–2012Based in Hillsboro, OR, US· patent location history
2008–2012Patents assigned to LATTICE SEMICONDUCTOR CORP (3)· patent assignee history
2012Patents assigned to BARTEL ROBERT M (1)· patent assignee history
2012Patents assigned to CALLAHAN KENT R (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INTEL CORP | 5 | 2001–2007 |
| LATTICE SEMICONDUCTOR CORP | 3 | 2008–2012 |
| AMERICAN MICRO SYST | 1 | 1982 |
| BARTEL ROBERT M | 1 | 2012 |
| CALLAHAN KENT Rself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hillsboro, OR, US | 8 | 2001–2012 |
| Colorado Springs, CO, US | 1 | 1994 |
| Belleville, CA | 1 | 1987 |
| Lynwood, Washington, US | 1 | 1982 |