AS

Akira Sugawara

DC Dowa Mining Co.: 1 patents #6 of 34Top 20%
YA Yazaki: 1 patents #116 of 274Top 45%
Overall (2002): #259,480 of 266,432Top 100%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6336979 Wear resistant copper base alloy, method of preparing the same and electrical part using the same Yoshitake Hana, Takayoshi Endo 2002-01-08