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

Aaron Tsai — 55 Patents

IBM: 52 patents #1,623 of 70,183Top 3%
PCPower Mate Technology Co.: 2 patents #3 of 11Top 30%
Poughkeepsie, NY: #65 of 1,613 inventorsTop 5%
New York: #1,621 of 115,490 inventorsTop 2%
Overall (All Time): #45,454 of 4,157,543Top 2%
55 Patents All Time
Aaron Tsai has been granted 55 US patents while listed as an inventor at IBM. The first was granted in 1989 and the most recent in December 2025. Aaron Tsai ranks #45,454 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Aaron Tsai in Poughkeepsie, NY, US.

Patents per Year

Patents granted per year, 1989 to 2024Bar chart with a peak of 9 patents in 2020.peak 91989: 1 patents19892003: 1 patents2004: 2 patents20042006: 3 patents2011: 6 patents20112012: 2 patents2013: 2 patents20132014: 5 patents2015: 3 patents20152017: 2 patents2019: 5 patents20192020: 9 patents2021: 3 patents20212022: 1 patents2023: 3 patents20232024: 6 patents2024

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12493553 Cross-core invalidation snapshot management Richard Joseph Branciforte, Gregory W. Alexander, Timothy C. Bronson, Deanna Postles Dunn Berger, Akash V. Giri 2025-12-09
12141076 Translation support for a virtual cache Markus Helms, Christian Jacobi, Ulrich Mayer, Martin Recktenwald, Johannes C. Reichart +1 more 2024-11-12 $15,831,000
12099845 Load reissuing using an alternate issue queue Jonathan T. Hsieh, Gregory W. Alexander, Yossi Shapira 2024-09-24 $17,828,000
11977486 Shadow pointer directory in an inclusive hierarchical cache Ashraf ElSharif, Richard Joseph Branciforte, Gregory W. Alexander, Deanna Postles Dunn Berger, Timothy C. Bronson +4 more 2024-05-07 $15,644,000
11907124 Using a shadow copy of a cache in a cache hierarchy Yair Fried, Eyal Naor, Christian Jacobi, Timothy C. Bronson, Chung-Lung K. Shum 2024-02-20 $7,691,000
11892949 Reducing cache transfer overhead in a system Christian Zoellin, Christian Jacobi, Chung-Lung K. Shum, Martin Recktenwald, Anthony Saporito 2024-02-06 $12,408,000
11880304 Cache management using cache scope designation Taylor J. Pritchard, Richard Joseph Branciforte, Ashraf ElSharif, Gregory W. Alexander, Deanna Postles Dunn Berger +1 more 2024-01-23 $16,624,000
11775445 Translation support for a virtual cache Markus Helms, Christian Jacobi, Ulrich Mayer, Martin Recktenwald, Johannes C. Reichart +1 more 2023-10-03 $6,984,000
11748266 Special tracking pool enhancement for core local cache address invalidates Deanna Postles Dunn Berger, Gregory W. Alexander, Richard Joseph Branciforte, Markus Kaltenbach 2023-09-05 $6,576,000
11586542 Reducing cache transfer overhead in a system Christian Zoellin, Christian Jacobi, Chung-Lung K. Shum, Martin Recktenwald, Anthony Saporito 2023-02-21 $5,683,000
11403222 Cache structure using a logical directory Christian Jacobi, Ulrich Mayer, Martin Recktenwald, Anthony Saporito 2022-08-02 $9,617,000
11010298 Reducing cache transfer overhead in a system Christian Zoellin, Christian Jacobi, Chung-Lung K. Shum, Martin Recktenwald, Anthony Saporito 2021-05-18 $4,116,000
11010307 Cache management Deanna Postles Dunn Berger, Christian Jacobi, Martin Recktenwald, Yossi Shapira 2021-05-18 $4,116,000
10963380 Cache miss thread balancing Gregory W. Alexander, Brian D. Barrick, Thomas W. Fox, Christian Jacobi, Anthony Saporito +1 more 2021-03-30 $6,181,000
10831674 Translation support for a virtual cache Markus Helms, Christian Jacobi, Ulrich Mayer, Martin Recktenwald, Johannes C. Reichart +1 more 2020-11-10 $848,000
10831479 Instruction to move data in a right-to-left direction Timothy J. Slegel, John R. Ehrman, Dan F. Greiner, Anthony Saporito 2020-11-10 $848,000
10831664 Cache structure using a logical directory Christian Jacobi, Ulrich Mayer, Martin Recktenwald, Anthony Saporito 2020-11-10 $848,000
10713168 Cache structure using a logical directory Christian Jacobi, Ulrich Mayer, Martin Recktenwald, Anthony Saporito 2020-07-14 $4,158,000
10698836 Translation support for a virtual cache Markus Helms, Christian Jacobi, Ulrich Mayer, Martin Recktenwald, Johannes C. Reichart +1 more 2020-06-30 $3,003,000
10671532 Reducing cache transfer overhead in a system Christian Zoellin, Christian Jacobi, Chung-Lung K. Shum, Martin Recktenwald, Anthony Saporito 2020-06-02 $2,290,000
10585800 Reducing cache transfer overhead in a system Christian Zoellin, Christian Jacobi, Chung-Lung K. Shum, Martin Recktenwald, Anthony Saporito 2020-03-10 $1,254,000
10579525 Reducing cache transfer overhead in a system Christian Zoellin, Christian Jacobi, Chung-Lung K. Shum, Martin Recktenwald, Anthony Saporito 2020-03-03 $1,865,000
10528482 Cache management Deanna Postles Dunn Berger, Christian Jacobi, Martin Recktenwald, Yossi Shapira 2020-01-07 $1,754,000
10387311 Cache directory that determines current state of a translation in a microprocessor core cache Ute Gaertner, Christian Jacobi, Gregory Miaskovsky, Martin Recktenwald, Timothy J. Slegel 2019-08-20 $1,949,000
10360030 Efficient pointer load and format Eyal Naor, Martin Recktenwald, Christian Zoellin 2019-07-23 $2,519,000