KO

Kazuo Ogasa

Overall (All Time): #1,030,517 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7396424 Method of manufacturing a hard precious metal alloy member 2008-07-08
6913657 Hard precious metal alloy member and method of manufacturing same 2005-07-05
6077366 Process for producing a high-purity hard gold alloy 2000-06-20
6063213 High-purity hard gold alloy and method of manufacturing same 2000-05-16
6045635 High-purity hardened gold alloy and a process of producing the same 2000-04-04