DF

Douglas Robert Farrenkopf

NS National Semiconductor: 13 patents #120 of 2,238Top 6%
QU Qorvo Us: 1 patents #255 of 457Top 60%
📍 Carlsbad, CA: #421 of 2,500 inventorsTop 20%
🗺 California: #43,449 of 386,348 inventorsTop 15%
Overall (All Time): #351,303 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
9515555 Floating power converter having multiple voltage inputs 2016-12-06
7379283 ESD protection circuit with a low snapback voltage that is protected from fast non-ESD voltage spikes and ripples Vladislav Vashchenko 2008-05-27
7339410 Method and system for providing startup delay 2008-03-04
6952333 ESD protection circuit for high-voltage, high DV/DT pads 2005-10-04
6714067 Bootstrap capacitor low voltage prevention circuit 2004-03-30
6515460 Multiphase switching regulator control architecture for low on time systems that enforces current sharing 2003-02-04
6229293 DC-to-DC converter with current mode switching controller that produces ramped voltage with adjustable effective ramp rate 2001-05-08
6169433 Method and apparatus using feedback to generate a ramped voltage with controlled maximum amplitude 2001-01-02
6111440 Circuit for generating interleaved ramped voltage signals having uniform, controlled maximum amplitude Jayendar Rajagopalan, Christopher T. Falvey 2000-08-29
6100677 Switching controller chip with internal but not external soft start circuitry and DC to DC converter including such a controller chip 2000-08-08
6094039 Switching controller chip operable in selected ones of multiple power switch setting modes 2000-07-25
5899714 Fabrication of semiconductor structure having two levels of buried regions Richard B. Merrill, Samar K. Saha, Kevin E. Brehmer, Kamesh V. Gadepally, Philip John Cacharelis 1999-05-04
5889315 Semiconductor structure having two levels of buried regions Richard B. Merrill, Samar K. Saha, Kevin E. Brehmer, Kamesh V. Gadepally, Philip John Cacharelis 1999-03-30
5854099 DMOS process module applicable to an E.sup.2 CMOS core process 1998-12-29