Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JN

Joseph T. R. Niwa — 1 Patent

Opunake, NZ: #1 of 1 inventorsTop 100%
Overall (All Time): #3,857,070 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5138784 Marking collar 1992-08-18