Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540848 | High strength, high toughness, seamless steel pipe for line pipe | Yukio Miyata, Mitsuo Kimura, Noritsugu Itakura | 2003-04-01 |
| 6505491 | Rolling mill and rolling-mill train | Shigeharu Ochi, Hiroshi Fujiwara, Sho Inui, Motoaki Itadani, Akira Yorifuji +4 more | 2003-01-14 |