KO

Ken Ohtagaki

SC Sumitomo Special Metals Co.: 1 patents #1 of 4Top 25%
📍 Kasai, JP: #181 of 567 inventorsTop 35%
Overall (2005): #159,261 of 245,428Top 65%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6878210 Surface-treating holder having tubular structure and method using the same Yoshimi Tochishita, Yoshio Fujiwara, Yoshihiro Asagai 2005-04-12