KA

Koji Atsumi

OC Oval Engineering Co.,Ltd.: 1 patents #1 of 2Top 50%
Overall (1989): #86,468 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4838092 Vortex flow meter Masao Misumi 1989-06-13