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

Stefan Payer — 27 Patents

IBM: 27 patents #3,846 of 70,183Top 6%
Stuttgart, DE: #137 of 5,983 inventorsTop 3%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Stefan Payer has been granted 27 US patents while listed as an inventor at IBM. The first was granted in 2014 and the most recent in January 2025. Stefan Payer ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Stefan Payer in Stuttgart, DE.

Patents per Year

Patents granted per year, 2014 to 2025Bar chart with a peak of 8 patents in 2021.peak 82014: 2 patents20142017: 4 patents20172018: 1 patents20182019: 1 patents20192020: 4 patents20202021: 8 patents20212022: 3 patents20222023: 2 patents20232024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12190078 Rounding hexadecimal floating point numbers using binary incrementors Michael Klein, Petra Leber, Cedric Lichtenau, Kerstin Claudia Schelm 2025-01-07
12056465 Verifying the correctness of a leading zero counter Michael Klein, Petra Leber, Cedric Lichtenau, Kerstin Claudia Schelm 2024-08-06 $17,119,000
11817697 Method to limit the time a semiconductor device operates above a maximum operating voltage Adam B. Collura, Michael Romain, William V. Huott, Pawel Owczarczyk, Christian Jacobi +9 more 2023-11-14 $8,271,000
11663270 Vector string search instruction Cedric Lichtenau, Jonathan D. Bradbury, Eric M. Schwarz, Razvan Peter Figuli 2023-05-30 $4,328,000
11531546 Hexadecimal floating point multiply and add instruction Eric M. Schwarz, Petra Leber, Kerstin Claudia Schelm, Michael Klein, Timothy J. Slegel +2 more 2022-12-20 $17,447,000
11256511 Instruction scheduling during execution in a processor Cedric Lichtenau, Kerstin Claudia Schelm, Anthony Saporito, Gregory W. Alexander 2022-02-22 $13,349,000
11221826 Parallel rounding for conversion from binary floating point to binary coded decimal Silvia M. Mueller, Razvan Peter Figuli, Revital Arieli 2022-01-11 $4,843,000
11210064 Parallelized rounding for decimal floating point to binary coded decimal conversion Silvia M. Mueller, Nicol Hofmann, Razvan Peter Figuli 2021-12-28 $7,175,000
11175921 Cognitive binary coded decimal to binary number conversion hardware for evaluating a preferred instruction variant based on feedback Juergen Haess, Cedric Lichtenau, Kerstin Claudia Schelm 2021-11-16 $1,912,000
11099602 Fault-tolerant clock gating Razvan Peter Figuli, Cedric Lichtenau, Michael Klein 2021-08-24 $4,861,000
11068541 Vector string search instruction Cedric Lichtenau, Jonathan D. Bradbury, Eric M. Schwarz, Razvan Peter Figuli 2021-07-20 $5,541,000
11042371 Plausability-driven fault detection in result logic and condition codes for fast exact substring match Razvan Peter Figuli, Cedric Lichtenau, Kerstin Claudia Schelm 2021-06-22 $6,016,000
10996951 Plausibility-driven fault detection in string termination logic for fast exact substring match Razvan Peter Figuli, Petra Leber, Cedric Lichtenau 2021-05-04 $7,263,000
10983159 Method and apparatus for wiring multiple technology evaluation circuits Michael Klein, Cedric Lichtenau, Ralf Richter 2021-04-20 $5,008,000
10890622 Integrated circuit control latch protection Michael Klein, Nicol Hofmann, Cedric Lichtenau 2021-01-12 $3,912,000
10782968 Rapid substring detection within a data element string Razvan Peter Figuli, Cedric Lichtenau, Kerstin Claudia Schelm 2020-09-22 $3,040,000
10747819 Rapid partial substring matching Razvan Peter Figuli, Cedric Lichtenau, Nicol Hofmann 2020-08-18 $3,155,000
10732972 Non-overlapping substring detection within a data element string Razvan Peter Figuli, Cedric Lichtenau, Petra Leber 2020-08-04 $3,150,000
10552167 Clock-gating for multicycle instructions Juergen Haess, Cedric Lichtenau, Kerstin Claudia Schelm 2020-02-04 $2,135,000
10169451 Rapid character substring searching Razvan Peter Figuli, Cedric Lichtenau, Michael Klein 2019-01-01
9977680 Clock-gating for multicycle instructions Juergen Haess, Cedric Lichtenau, Kerstin Claudia Schelm 2018-05-22 $7,737,000
9837142 Automated stressing and testing of semiconductor memory cells Yuen H. Chan, Michael Kugel, Wolfgang Penth, Juergen Pille, Tobias Werner 2017-12-05 $3,039,000
9805823 Automated stressing and testing of semiconductor memory cells Yuen H. Chan, Michael Kugel, Wolfgang Penth, Juergen Pille, Tobias Werner 2017-10-31 $5,356,000
9715944 Automatic built-in self test for memory arrays Lior Binyamini, Wolfgang Penth, Ido Rozenberg 2017-07-25 $2,827,000
9704567 Stressing and testing semiconductor memory cells Michael Kugel, Wolfgang Penth, Juergen Pille 2017-07-11 $1,748,000