TO

Tadao Osawa

HI Hitachi: 1 patents #814 of 2,935Top 30%
📍 Hitachinaka, JP: #68 of 240 inventorsTop 30%
Overall (1989): #52,532 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4887577 Hot-wire type air flow meter and an internal combustion engine with the same Nobukatsu Arai, Yoshihito Sekine, Hiroatsu Tokuda, Toshifumi Usui, Mitsukuni Tsutsui 1989-12-19