AO

Akira Oyama

MC Mitsui Mining & Smelting Co.: 1 patents #1 of 17Top 6%
Overall (1994): #159,727 of 165,921Top 100%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5356712 Magnetite particles Masachika Hashiuchi, Tadashi Yamanishi 1994-10-18