Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6949728 | Impeder for manufacturing welded pipe | Takatoshi Okabe, Motoaki Itadani, Masatoshi Aratani, Osamu Kondo | 2005-09-27 |
| 6846371 | Method for making high-strength high-toughness martensitic stainless steel seamless pipe | Yukio Miyata, Mitsuo Kimura | 2005-01-25 |