KO

Ken Ohtagaki

SC Sumitomo Special Metals Co.: 2 patents #96 of 262Top 40%
NC Neomax Co.: 1 patents #41 of 95Top 45%
📍 Kasai, JP: #2,179 of 5,842 inventorsTop 40%
Overall (All Time): #1,598,316 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 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
6821560 Surface-treating support member and method using the same Yoshimi Tochishita, Yoshio Fujiwara, Yoshihiro Asagai 2004-11-23
6280792 Surface-treating process using support member having plate-like elements Yoshimi Tochishita, Yoshio Fujiwara, Yoshihiro Asagai 2001-08-28