YT

Yasuo Tsumita

SD Showa Denko: 1 patents #12 of 74Top 20%
Overall (2004): #84,545 of 270,089Top 35%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6780218 Production process for niobium powder Kouichi Wada, Toshiya Kawasaki, Kazumi Naito, Kazuhiro Omori 2004-08-24