HY

Haruyoshi Yamada

SS Suwa Seikosha: 1 patents #12 of 48Top 25%
Overall (1982): #60,323 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4335454 Gear train mechanism for a timepiece 1982-06-15