YH

Yasuhiro Hoshiyama

SC Shinagawa Refractories Co.: 1 patents #1 of 6Top 20%
Overall (2002): #88,796 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6464932 Unburned carbon-containing refractory material and vessel for molten metal Osamu Nomura, Atsushi Torigoe 2002-10-15