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

James R. Hartzell — 3 Patents

LSLightning Source: 1 patents #9 of 15Top 60%
Troy, OH: #119 of 367 inventorsTop 35%
Ohio: #23,545 of 73,341 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
James R. Hartzell has been granted 3 US patents while listed as an inventor at Lightning Source. The first was granted in 1986 and the most recent in October 2023. James R. Hartzell ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list James R. Hartzell in Troy, OH, US.

Patents per Year

Patents granted per year, 1986 to 2023Bar chart with a peak of 1 patents in 1986.peak 11986: 1 patents19862009: 1 patents20092023: 1 patents2023

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11787218 Book cover embossing system and method John Kwiatkowski, Kenneth M. McDonald 2023-10-17
7597063 Nested disposable pet litter trays 2009-10-06
D282355 Wood plaque 1986-01-28