YK

Yasue Koyama

JS Jfe Steel: 1 patents #44 of 132Top 35%
📍 Ebeye: #119 of 406 inventorsTop 30%
Overall (2004): #85,248 of 270,089Top 35%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6736910 High carbon steel pipe excellent in cold formability and high frequency hardenability and method for producing the same Takaaki Toyooka, Yoshikazu Kawabata, Akira Yorifuji, Masanori Nishimori, Motoaki Itadani +2 more 2004-05-18