RW

Roelf Van Der Wal

U.S. Philips: 6 patents #699 of 8,851Top 8%
Philips: 4 patents #1,244 of 7,731Top 20%
Koniniklijke Philips N.V.: 1 patents #4,025 of 7,486Top 55%
TR Trixell: 1 patents #21 of 65Top 35%
Overall (All Time): #407,795 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11735957 Wireless power transfer Martijn Gerarda Lambertus Justinus Van Uden, Klaas Jacob Lulofs 2023-08-22
9049395 Processing circuit for an X-ray sensor Lex Alving, Walter Ruetten 2015-06-02
8134352 Switched mode power supply including power supply units and controller Jacobus Josephus Leijssen, Josephus Adrianus Maria Van Erp, Machiel Antonius Martinus Hendrix 2012-03-13
8063581 Drive circuit for driving a load with pulsed current Zadok Vitalis Socrates Kroeze 2011-11-22
7521910 Method and device for measuring current in a switched current path of a circuit Antonius Jacobus Johannes Werner 2009-04-21
7394232 Interleaved switching converters in ring configuration Machiel Antonius Martinus Hendrix, Jacobus Josephus Leijssen, Josephus Adrianus Maria Van Erp 2008-07-01
6051818 Electric toaster with asymmetric heating effect Jacob Hendrik Botma, Wai H. E. Li, Lawrence Lai, Peter Sofrides Viet 2000-04-18
6044002 Flyback converter with limited output power Wilhelmus G. M. Ettes 2000-03-28
6016261 Switching voltage converter with synchronous rectification Johannes A. De Wit, Wilhelmus G. M. Ettes, Jacob Hendrik Botma 2000-01-18
6006656 Toaster with power output control Klaas Jacob Lulofs 1999-12-28
5819637 Toaster having heating elements whose heating area depends on the slice size Jacob Hendrik Botma, Klaas Jacob Lulofs 1998-10-13
5758567 Toaster with mains-power-on safety device Jacob Hendrik Botma 1998-06-02