JM

Junichi Matsunaga

MC Mitsui Mining & Smelting Co.: 1 patents #5 of 29Top 20%
Overall (1997): #124,453 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5658528 Lead-free solder Ryuji Ninomiya 1997-08-19