TH

Tamotsu Hamanaka

TO Tohatsu: 2 patents #3 of 13Top 25%
BR Brunswick: 1 patents #737 of 1,301Top 60%
Overall (All Time): #2,169,638 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7055485 Monoblock internal combustion engine Richard A. Davis 2006-06-06
4881513 Two-cycle internal combustion engine — 1989-11-21