SY

Sakuji Yamada

Overall (All Time): #1,275,330 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6250401 Rotary impacting apparatus 2001-06-26
6192995 Rotary impacting apparatus 2001-02-27
5488997 Rotary impacting apparatus 1996-02-06
5002134 Rotary impacting apparatus 1991-03-26