Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert D. Andersen — 4 Patents

DIDatatape Incorporated: 3 patents #3 of 34Top 9%
University of California: 1 patents #8,022 of 18,278Top 45%
Walnut, CA: #211 of 870 inventorsTop 25%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert D. Andersen has been granted 4 US patents while listed as an inventor at Datatape Incorporated. The first was granted in 1989 and the most recent in December 1994. Robert D. Andersen ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert D. Andersen in Walnut, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5371671 DNA sequence autoradiogram digitizer and methodology implemented in the same Gregory C. Bristol 1994-12-06
4891716 Autocalibration of a data signal channel through simultaneous control signals 1990-01-02 $4,211,000
4891719 Fast closure method for a data signal channel 1990-01-02 $4,211,000
4857825 Voltage controlled resistor 1989-08-15 $5,192,000