Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Leonardo Sandman — 6 Patents

PSPerformance Semiconductor: 5 patents #1 of 3Top 35%
Oracle: 1 patents #8,339 of 14,854Top 60%
Cupertino, CA: #2,350 of 6,989 inventorsTop 35%
California: #94,478 of 386,348 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Leonardo Sandman has been granted 6 US patents while listed as an inventor at Performance Semiconductor. The first was granted in 1989 and the most recent in May 1999. Leonardo Sandman ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Leonardo Sandman in Cupertino, CA, US.

Patents per Year

Patents granted per year, 1989 to 1999Bar chart with a peak of 4 patents in 1989.peak 41989: 4 patents19891990: 1 patents19901999: 1 patents1999

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5901047 Computer chip spacer element Daniel D. Gonsalves, Paul D. Welch, Lance Terry, Kia-Pin A. May 1999-05-04 $37,282,000
4905178 Fast shifter method and structure Yeshayahu Mor, Yeshayahu Schatzberger 1990-02-27
4884231 Microprocessor system with extended arithmetic logic unit Yeshayahu Mor 1989-11-28
4858166 Method and structure for performing floating point comparison Yeshayahu Schatzberger, Yeshayahu Mor 1989-08-15
4811211 On-line overflow response system and ALU branching structure Yeshayahu Mor, Yeshayahu Schatzberger 1989-03-07
4807124 Register addressing system for efficient microroutine sharing and optimization Yeshayahu Mor, Yeshayahu Schatzberger 1989-02-21