SU

Shinichi Usuda

Overall (All Time): #1,468,652 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10308413 Flat-pack packaging material for drums — 2019-06-04
9953623 Marching drum which enables forwards and downwards visibility — 2018-04-24
5689076 Drum adjustment apparatus — 1997-11-18