Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Landa — 3 Patents

IBM: 3 patents #26,335 of 70,183Top 40%
Boca Raton, FL: #724 of 2,373 inventorsTop 35%
Florida: #16,773 of 67,251 inventorsTop 25%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Robert E. Landa has been granted 3 US patents while listed as an inventor at IBM. The first was granted in 1991 and the most recent in June 1998. Robert E. Landa ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Robert E. Landa in Boca Raton, FL, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5771232 Expandable local inter-system bus architecture in a multiplexed environment John C. Sinibaldi, Baiju D. Mandalia, Gordon Taylor Davis, Lawrence P. Andrews, Joe Fletcher Jones, Jr. +1 more 1998-06-23 $13,396,000
5448635 Wiring scheme and network adapter with digital and analog outputs to allow old pots coexistence with Robert E. Biehl, Charles Clifford Hallock, Joe Fletcher Jones, Jr., Baiju D. Mandalia, Charles Henry Sederholm 1995-09-05 $5,794,000
4991133 Specialized communications processor for layered protocols Gordon Taylor Davis, Baiju D. Mandalia, Jan W. van den Berg, David Curtis Van Voorhis 1991-02-05 $14,236,000