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

Stephen M. Ackerman — 63 Patents

PSPlant Sciences: 56 patents #1 of 18Top 6%
BRBerry R&D: 27 patents #1 of 4Top 25%
SSStrawberry Sciences: 6 patents #2 of 4Top 50%
Salinas, CA: #6 of 367 inventorsTop 2%
California: #5,396 of 386,348 inventorsTop 2%
Overall (All Time): #35,470 of 4,157,543Top 1%
63 Patents All Time
Stephen M. Ackerman has been granted 63 US patents while listed as an inventor at Plant Sciences. The first was granted in 1991 and the most recent in May 2025. Stephen M. Ackerman ranks #35,470 of 4,157,543 US inventors in our database (top 0.85%). Patent records list Stephen M. Ackerman in Salinas, CA, US.

Issued Patents All Time

Showing 1–25 of 63 patents

Patent #TitleCo-InventorsDate
PP36647 Strawberry plant named ‘PS-13.467.089’ Steven D. Nelson, Michael D. Nelson 2025-05-06
PP36028 Strawberry plant named ‘PS-14.762.054’ Steven D. Nelson, Michael D. Nelson 2024-07-23
PP35657 Strawberry plant named ‘PE-14.145.059’ Steven D. Nelson, Michael D. Nelson 2024-02-20
PP35168 Strawberry plant named ‘PE-13.119.024’ Steven D. Nelson, Michael D. Nelson 2023-05-16
PP34936 Strawberry plant named ‘PE-11.2175’ Steven D. Nelson, Michael D. Nelson, Daniel S. Nelson 2023-01-24
PP34915 Strawberry plant named ‘PE-11.2171’ Steven D. Nelson, Michael D. Nelson 2023-01-17
PP34774 Strawberry plant named ‘PE-13.177.011’ Steven D. Nelson, Michael D. Nelson 2022-11-29
PP34738 Strawberry plant named ‘bounty’ Kendra M. Blaker, Michael D. Nelson, Daniel S. Nelson 2022-11-15
PP34737 Strawberry plant named ‘constitution’ Kendra M. Blaker, Michael D. Nelson, Daniel S. Nelson 2022-11-15
PP33760 Strawberry plant named ‘PEP-12.6010’ Cesar U. Ramirez, Michael D. Nelson 2021-12-21
PP33512 Strawberry plant named ‘Pinta’ Kendra M. Blaker, Michael D. Nelson, Daniel S. Nelson 2021-09-28
PP33476 Strawberry plant named ‘SANTA MARIA’ Kendra M. Blaker, Michael D. Nelson, Daniel S. Nelson 2021-09-14
PP33475 Strawberry plant named ‘Nina’ Kendra M. Blaker, Michael D. Nelson, Daniel S. Nelson 2021-09-14
PP33359 Strawberry plant named ‘SB_12_53-118’ Kendra M. Blaker, Michael D. Nelson, Daniel S. Nelson 2021-08-17
PP32436 Strawberry plant named ‘PS-10.1160’ Steven D. Nelson, Michael D. Nelson 2020-11-10
PP31913 Strawberry plant named ‘PE-7.2054’ Steven D. Nelson, Michael D. Nelson 2020-06-30
PP28756 Strawberry plant named ‘PE-7.2059’ Steven D. Nelson, Michael D. Nelson 2017-12-12
PP27504 Raspberry plant named ‘INTREPID’ Scott W. Adams 2016-12-27
PP26209 Strawberry plant named ‘PE-6.2036’ Steven D. Nelson, Michael D. Nelson 2015-12-15
PP26195 Strawberry plant named ‘PE-3.219’ Steven D. Nelson, Michael D. Nelson 2015-12-08
PP26194 Strawberry plant named ‘PE-3.222’ Steven D. Nelson, Michael D. Nelson 2015-12-08
PP26193 Strawberry plant named ‘PRIZE’ Steven D. Nelson, Michael D. Nelson 2015-12-08
PP24950 Strawberry plant named ‘TRIUMPH’ Steven D. Nelson, Michael D. Nelson 2014-10-07
PP23745 Strawberry plant named ‘MERIT’ Steven D. Nelson, Michael D. Nelson 2013-07-16
PP23291 Strawberry plant named ‘PS-3.108’ Steven D. Nelson, Michael D. Nelson 2013-01-01