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

Alexander Isurin — 14 Patents

VAVanner: 14 patents #2 of 16Top 15%
Dublin, OH: #78 of 1,143 inventorsTop 7%
Ohio: #5,406 of 73,341 inventorsTop 8%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Alexander Isurin has been granted 14 US patents while listed as an inventor at Vanner. The first was granted in 2002 and the most recent in July 2021. Alexander Isurin ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Alexander Isurin in Dublin, OH, US.

Patents per Year

Patents granted per year, 2002 to 2021Bar chart with a peak of 3 patents in 2006.peak 32002: 1 patents20022003: 1 patents2006: 3 patents20062008: 1 patents2010: 1 patents20102012: 1 patents2017: 1 patents20172018: 2 patents2019: 1 patents20192020: 1 patents2021: 1 patents2021

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
11063518 Bi-directional isolated DC-DC converter for the electrification of transportation Alexander Cook 2021-07-13
10679784 Method of forming a transformer winding Alexander Cook 2020-06-09
10483862 Bi-directional isolated DC-DC converter for the electrification of transportation Alexander Cook 2019-11-19
9906169 DC-AC conversion circuit having a first double ended DC pulse stage and a second AC stage Alexander Cook 2018-02-27
9871450 Isolated step-up converter Alexander Cook 2018-01-16
9692313 DC-AC conversion circuit having a first “double ended” DC pulse stage and a second AC stage Alexander Cook 2017-06-27
8184458 Power converter load line control Alexander Cook 2012-05-22
7806095 Vehicle starting assist system Alexander Cook, Wenzhe Lu 2010-10-05
7379309 High-frequency DC-DC converter control Alexander Cook 2008-05-27
7123123 High-frequency power transformer Scott D. Howard, Alexander Cook 2006-10-17
7106030 Field excitation for an alternator Alexander Cook 2006-09-12
7057376 Power management system for vehicles Alexander Cook, Philip Irwin 2006-06-06
6570416 Lossless gate driver circuit Alexander Cook 2003-05-27
6483731 Alexander topology resonance energy conversion and inversion circuit utilizing a series capacitance multi-voltage resonance section Alexander Cook 2002-11-19