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

James Hahn — 4 Patents

GE: 4 patents #8,262 of 36,430Top 25%
Loveland, OH: #319 of 930 inventorsTop 35%
Ohio: #19,019 of 73,341 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
James Hahn has been granted 4 US patents while listed as an inventor at GE. The first was granted in 2003 and the most recent in April 2023. James Hahn ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list James Hahn in Loveland, OH, US.

Patents per Year

Patents granted per year, 2003 to 2023Bar chart with a peak of 1 patents in 2003.peak 12003: 1 patents20032005: 1 patents20052020: 1 patents20202023: 1 patents2023

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11623430 Metal surface preparation Manuel Acosta, Gregory Carl Gemeinhardt, Joshua Leigh Miller, Michael John Franks, Lara Liou 2023-04-11 $42,223,000
10563662 Metal surface preparation Manuel Acosta, Gregory Carl Gemeinhardt, Joshua Leigh Miller, Michael John Franks, Lara Liou 2020-02-18 $20,719,000
6926928 Protection of a gas turbine component by a vapor-deposited oxide coating John Frederick Ackerman, Joseph Aloysius Heaney, Bangalore Aswatha Nagaraj, Michael James Weimer, Jon Conrad Schaeffer +1 more 2005-08-09 $47,407,000
6616978 Protecting a substrate with a multilayer oxide/phosphate coating having a temperature-stepped cure Michael James Weimer, Joseph Aloysius Heaney, Bangalore Aswatha Nagaraj 2003-09-09 $52,507,000