TK

Toshiyuki Koyama

Sumitomo Electric Industries: 1 patents #1,140 of 3,352Top 35%
📍 Yamanashi, JP: #68 of 208 inventorsTop 35%
Overall (2002): #100,118 of 266,432Top 40%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6382497 Reflow soldering apparatus and method Nobuyasu Nagafuku, Akihiko Wachi, Masaya Matsumoto 2002-05-07