Inventor
Charles Nickel
Inventor
San Jose, CA, US
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems31%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1019%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications12%
B23KSoldering or unsoldering8%
D06FLaundering, drying, ironing, pressing or folding textile articles8%
H05KPrinted circuits8%
Y02PClimate change mitigation technologies in the production or processing of goods8%
G01RMeasuring electric variables4%
H10DInorganic electric semiconductor devices4%
PatentTitleYear
8,710,664'Wafer-level chip scale package'20148,253,420'Integrated electrical circuit and test to determine the integrity of a silicon die'20128,106,516'Wafer-level chip scale package'20127,859,238'Method and apparatus for multi-phase DC-DC converters using coupled inductors in discontinuous conduction mode'20107,548,046'Method and apparatus for multi-phase DC-DC converters using coupled inductors in discontinuous conduction mode'20097,317,305'Method and apparatus for multi-phase DC-DC converters using coupled inductors in discontinuous conduction mode'20086,713,823'Conductive routings in integrated circuits'20046,642,697'Switching regulator with multiple power transistor driving voltages'20036,462,522'Transistor pattern for voltage regulator'20026,400,126'Switching regulator with multiple power transistor driving voltages'20026,329,801'Switching regulator control system and method'20016,278,264'Flip-chip switching regulator'20016,260,295'Scorch preventing electric flatiron'20016,105,285'Scorch preventing electric flatiron'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2001Patents assigned to NICKELWORKS INC (2)· patent assignee history
2000–2001Based in Huntsville, AL, US· patent location history
2001–2014Patents assigned to VOLTERRA SEMICONDUCTOR CORP (12)· patent assignee history
2001–2004Based in San Jose, CA, US· patent location history
2008–2010Based in Easthampton, MA, US· patent location history
2012–2014Patents assigned to NICKEL CHARLES (3)· patent assignee history
2012–2014Patents assigned to LACAP EFREN M (2)· patent assignee history
2012–2014Patents assigned to NARIANI SUBHASH REWACHAND (2)· patent assignee history
2012–2014Based in Hayward, CA, US· patent location history
2012Based in Williamsburg, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VOLTERRA SEMICONDUCTOR CORP | 12 | 2001–2014 |
| NICKEL CHARLESself | 3 | 2012–2014 |
| LACAP EFREN M | 2 | 2012–2014 |
| NARIANI SUBHASH REWACHAND | 2 | 2012–2014 |
| NICKELWORKS INC | 2 | 2000–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 6 | 2001–2004 |
| Easthampton, Massachusetts, US | 3 | 2008–2010 |
| Hayward, California, US | 2 | 2012–2014 |
| Huntsville, AL, US | 2 | 2000–2001 |
| Williamsburg, Massachusetts, US | 1 | 2012 |