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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Bernd Holtkamp — 2 Patents

U.S. Philips: 2 patents #2,558 of 8,851Top 30%
Hamburg, DE: #1,962 of 5,803 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Bernd Holtkamp has been granted 2 US patents while listed as an inventor at U.S. Philips. The first was granted in 1983 and the most recent in March 1984. Bernd Holtkamp ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Bernd Holtkamp in Hamburg, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4435685 Amplifier arrangement Wolfgang Eckert, Ernst A. Kilian 1984-03-06 $409,000
4371841 Circuit arrangement for eliminating turn-on and turn-off clicks in an amplifier Wolfgang Eckert, Ernst A. Kilian 1983-02-01 $434,000