HH

Hakuo Hamada

📍 Nihonmatsu, JP: #16 of 21 inventorsTop 80%
Overall (All Time): #3,707,294 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5590424 Device for providing sanitary covers for toilet seats Masahiro Matsunaga 1997-01-07