KY

Keiichi Yokoi

SD Showa Denko: 1 patents #12 of 74Top 20%
Overall (2004): #175,728 of 270,089Top 70%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6688154 Die for forging rotor, forge production system and forging method using the die, and rotor Yoshiyuki Anazawa, Hidemi Yamada 2004-02-10