Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DH

D. Robert Hoover — 9 Patents

IRInterval Research: 4 patents #34 of 130Top 30%
VPVulcan Patents: 1 patents #53 of 85Top 65%
Santa Cruz, CA: #399 of 1,911 inventorsTop 25%
California: #67,547 of 386,348 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
D. Robert Hoover has been granted 9 US patents while listed as an inventor at Interval Research. The first was granted in 1982 and the most recent in March 2010. D. Robert Hoover ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list D. Robert Hoover in Santa Cruz, CA, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7688147 Floating differential amplifier architectures 2010-03-30
7449946 High voltage, high current, and high accuracy amplifier 2008-11-11
7365605 High voltage, high current, and high accuracy amplifier 2008-04-29
7130351 Storage reduction during compression William Lynch, Krasimir D. Kolarov, William J. Arrighi 2006-10-31
6516030 Compression of combined black/white and color video signal William Lynch, Krasimir D. Kolarov, William J. Arrighi 2003-02-04
6396948 Color rotation integrated with compression of video signal William Lynch, Krasimir D. Kolarov, William J. Arrighi 2002-05-28
6381280 Single chip motion wavelet zero tree codec for image and video compression William Lynch, Krasimir D. Kolarov, William J. Arrighi 2002-04-30
6229929 Border filtering of video signal blocks William Lynch, Krasimir D. Kolarov, William J. Arrighi 2001-05-08
4345253 Passive sensing and encoding transponder 1982-08-17