HT

Hiroaki Tahira

SI Sumitomo Metal Industries: 1 patents #12 of 66Top 20%
Overall (2004): #208,041 of 270,089Top 80%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6797231 Steel for machine structural use Naoki Matsui, Koji Watari, Takayuki Nishi, Toru Kato, Hitoshi Matsumoto 2004-09-28