KY

Keiji Yokoi

EB Ebara: 3 patents #598 of 1,611Top 40%
Overall (All Time): #1,648,957 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5571002 Plunger pump system with shuttle valve — 1996-11-05
5454698 Plunger pump system with shuttle valve — 1995-10-03
5403169 Plunger pump Yoshio Minami 1995-04-04