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

Ian Freeman — 4 Patents

BUBurroughs: 1 patents #265 of 604Top 45%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ian Freeman has been granted 4 US patents while listed as an inventor at Burroughs. The first was granted in 1982 and the most recent in February 2010. Ian Freeman ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ian Freeman in Leslie, CA, GB.

Patents per Year

Patents granted per year, 1982 to 2010Bar chart with a peak of 1 patents in 1982.peak 11982: 1 patents19821985: 1 patents19851996: 1 patents19962010: 1 patents2010

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7656515 Apparatus and method for analysis of optical storage media Jeffrey Alan Aufderheide, James Henry Eckerman, John Clarence Meyer, Charles C. Partee, Timothy Skwiot 2010-02-02
5504571 Run-out velocity acceleration tester with direct velocity measurement Jim Eckerman, Richard Neil Hunt 1996-04-02
4492992 High storage density disc data store employing controlled-angular-velocity rotary medium John O. Rooney 1985-01-08
4314287 High storage density disc file John O. Rooney, John F. Hardwick 1982-02-02 $1,068,000