AL

Adrianus W. Ludikhuize

U.S. Philips: 21 patents #51 of 8,851Top 1%
NB Nxp B.V.: 3 patents #771 of 3,591Top 25%
Philips: 2 patents #2,426 of 7,731Top 35%
Overall (All Time): #139,811 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
8022506 SOI device with more immunity from substrate voltage 2011-09-20
7790589 Method of providing enhanced breakdown by diluted doping profiles in high-voltage transistors Paulus J. T. Eggenkamp, Priscilla Boos, Maarten Jacobus Swanenberg, Rob Van Dalen, Anco Heringa 2010-09-07
7459750 Integrated half-bridge power circuit Jacob Antonius Van Der Pol, Raymond J. Grover 2008-12-02
7061059 Semiconductor device Constantinus Paulus Meeuwsen 2006-06-13
6933559 LDMOS with guard ring (of same type as drain) surrounding the drain Raymond Van Roijen, Johannes Hendrik Hermanus Alexius Egbers, Anco Heringa 2005-08-23
6608351 Semiconductor device comprising a high-voltage circuit element Constantinus Paulus Meeuwsen, Hendrik Gezienus Albert Huizing 2003-08-19
6597044 Semiconductor device having a charge removal facility for minority carriers Constantinus Paulus Meeuwsen 2003-07-22
6288424 Semiconductor device having LDMOS transistors and a screening layer 2001-09-11
6160304 Semiconductor device comprising a half-bridge circuit 2000-12-12
5998845 Semiconductor device having increased safe operating range 1999-12-07
5976942 Method of manufacturing a high-voltage semiconductor device 1999-11-02
5910670 Semiconductor device with improved breakdown voltage characteristics 1999-06-08
5883413 Lateral high-voltage DMOS transistor with drain zone charge draining 1999-03-16
5796146 Semiconductor device having a lateral insulated gate biopolar transistor 1998-08-18
5786252 Method of manufacturing a semiconductor device, and semiconductor device manufactured by such a method Maarten van Dort 1998-07-28
5747841 Circuit arrangement, and junction field effect transistor suitable for use in such a circuit arrangement 1998-05-05
5610432 Semiconductor device with a fast lateral dmost provided with a high-voltage source electrode 1997-03-11
5473180 Semiconductor device with an MOST provided with an extended drain region for high voltages 1995-12-05
5412234 Integrated semiconductor circuit having improved breakdown voltage characteristics Franciscus A. C. M. Schoofs 1995-05-02
5347155 Semiconductor device having a lateral DMOST with breakdown voltage raising zones and provisions for exchanging charge with the back gate region 1994-09-13
5324978 Semiconductor device having an improved breakdown voltage-raising structure Franciscus A. C. M. Schoofs 1994-06-28
4987469 Lateral high-voltage transistor suitable for use in emitter followers 1991-01-22
4952998 Integrated circuit with complementary MOS transistors 1990-08-28
4908551 DC/AC bridge circuit Job F. P. van Mil, Franciscus A. C. M. Schoofs 1990-03-13
4750028 Semiconductor device having floating semiconductor zones 1988-06-07