JM

Junji Masunaga

MC Mitsui Mining & Smelting Co.: 1 patents #28 of 72Top 40%
Overall (2003): #187,323 of 273,478Top 70%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6530825 Method for the production of glass substrates for magnetic recording mediums Akio Fujimura, Toshio Hosaka 2003-03-11