HH

Hiroo Honda

OC Okumura Co.: 1 patents #6 of 25Top 25%
Overall (All Time): #3,976,529 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4673218 Tunnel excavation method Susumu Murakami 1987-06-16