KH

Koji Hotta

OC Oval Engineering Co.,Ltd.: 1 patents #1 of 2Top 50%
Overall (1982): #47,803 of 81,411Top 60%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4329130 Flow meter with helical toothed rotors having no pulsation and zero contact pressure Shigeyoshi Nagata 1982-05-11