IH

Izumi Hayakawa

MC Mitsui Mining & Smelting Co.: 1 patents #1 of 11Top 10%
Overall (1982): #57,106 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4362535 Sintered metal bonded diamond abrasive articles Eiji Isobe, Akira Emura 1982-12-07