IH

Isshi Hisaoka

MC Mitsui Mining & Smelting Co.: 2 patents #281 of 838Top 35%
📍 Tamano, JP: #45 of 123 inventorsTop 40%
Overall (All Time): #2,278,039 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5508017 Process for the preparation of acicular .alpha.-iron oxide hydrate Masahide Shouji, Tadayosi Saruwatari, Hisasige Ito, Makoto Miyaji, Yoshinobu Oka 1996-04-16
5076836 Process for the preparation of ferromagnetic metallic particles for magnetic recording Masakazu Konno, Nobuo Takagi 1991-12-31