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USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. J. van de Grift — 10 Patents

U.S. Philips: 10 patents #283 of 8,851Top 4%
Eindhoven, NL: #855 of 8,225 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Robert E. J. van de Grift has been granted 10 US patents while listed as an inventor at U.S. Philips. The first was granted in 1982 and the most recent in July 1992. Robert E. J. van de Grift ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Robert E. J. van de Grift in Eindhoven, NL.

Patents per Year

Patents granted per year, 1982 to 1992Bar chart with a peak of 2 patents in 1989.peak 21982: 1 patents19821983: 1 patents19831984: 1 patents19841987: 1 patents19871989: 2 patents19891990: 1 patents19901991: 2 patents19911992: 1 patents1992

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5130567 Bipolar transistor arrangement with distortion compensation Ivo Wilhelmus Johannes Marie Rutten 1992-07-14
5051746 Interpolation circuit for use in an A/D converter Martien van der Veen 1991-09-24
5008731 Integrated semiconductor circuit with decoupled D.C. wiring Martien van der Veen, Andre J. Linssen 1991-04-16
4912469 Interpolation circuit for use in A/D converter Martien van der Veen 1990-03-27
4845462 Linear integrated resistor Martien van der Veen 1989-07-04
4812816 Electronic circuit with complementary data line Martien van der Veen 1989-03-14
4686508 Analog-to-digital converter circuit Martien van der Veen 1987-08-11 $494,000
4456904 Analog-to-digital converter circuit 1984-06-26 $659,000
4371868 Method and device for the automatic calibration of an analog-to-digital converter Rudy J. van de Plassche, Eise C. Dijkmans 1983-02-01 $434,000
4314326 Rectifying circuit with zero correction 1982-02-02 $348,000