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USPTO Patent Rankings Data through Dec 31, 2025
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Prem Sobel — 4 Patents

AMD: 3 patents #3,796 of 9,280Top 45%
Sunnyvale, CA: #5,603 of 14,302 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Prem Sobel has been granted 4 US patents while listed as an inventor at AMD. The first was granted in 1991 and the most recent in March 2015. Prem Sobel ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Prem Sobel in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8995659 Parameterized random data generator providing a sequence of bytes with uniform statistical distribution 2015-03-31
5327571 Processor having decoder for decoding unmodified instruction set for addressing register to read or write in parallel or serially shift in from left or right Brian D. McMinn, Robert H. Perlman 1994-07-05 $15,221,000
5128888 Arithmetic unit having multiple accumulators Glenn A. Tamura 1992-07-07 $2,733,000
5053631 Pipelined floating point processing unit Robert M. Perlman, Brian D. McMinn, Robert C. Thaden, Glenn A. Tamura, Thomas W. Lynch +1 more 1991-10-01 $10,313,000