SN

Seisaku Numakura

HI Hitachi: 1 patents #311 of 1,214Top 30%
📍 Hitachinaka, JP: #27 of 109 inventorsTop 25%
Overall (1982): #31,701 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4314585 Proportional type electromagnetic valve Torazo Nishimiya, Masamitsu Okumura 1982-02-09