Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KK

Karel E. Kuijk

U.S. Philips: 31 patents #18 of 8,851Top 1%
PAPhilips Electronics North America: 16 patents #11 of 725Top 2%
Philips: 8 patents #553 of 7,731Top 8%
Tektronix: 4 patents #288 of 1,698Top 20%
Overall (All Time): #46,352 of 4,157,543Top 2%
55 Patents All Time

Issued Patents All Time

Showing 51–55 of 55 patents

Patent #TitleCo-InventorsDate
4725832 Electroscopic picture display arrangement Jean H. J. Lorteije, Ties S. Te Velde, Henricus F. A. de Leeuw, Martinus V. C. Stroomer 1988-02-16
4723171 Electroscopic fluid picture-display device suitable for displaying television images Cornelis M. Hart 1988-02-02
4584673 Series/parallel/series shift register memory system 1986-04-22
4453232 Device for generating magnetic bubbles with a high bit rate Gerrit J. Koel 1984-06-05
4349893 Memory with current-controlled serial-to-parallel conversion of magnetic field domains Nelie J. Wiegman 1982-09-14