Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert C. Baca — 2 Patents

IBM: 2 patents #32,909 of 70,183Top 50%
Tucson, AZ: #2,442 of 6,004 inventorsTop 45%
Arizona: #13,181 of 32,909 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert C. Baca has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 1996 and the most recent in May 1997. Robert C. Baca ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert C. Baca in Tucson, AZ, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5629813 Initialization and calibration of magnetic tape having multiple servo areas Alex Chliwnyj, Wayne T. Comeaux, James F. Crossland, Ronald K. Rhodes 1997-05-13 $10,594,000
5574602 Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having serpentine data track scanning Man Cheung, Alex Chliwnyjae, Wayne T. Comeaux, James F. Crossland 1996-11-12 $16,914,000