Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084144 | High strength thick welded steel pipe for line pipe superior in low temperature toughness and method of production of the same | Hitoshi Asahi | 2011-12-27 |
| 8070887 | High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same | Hitoshi Asahi, Yasuhiro Shinohara | 2011-12-06 |
| 8049131 | Ultrahigh strength welded joint and ultrahigh strength welded steel pipe excellent in cold cracking resistance of weld metal, and methods for producing the same | Hitoshi Asahi | 2011-11-01 |
| 8039118 | Welded steel pipe for high strength line pipe superior in low temperature toughness and method of production of the same | Hitoshi Asahi | 2011-10-18 |
| 8002479 | Imaging apparatus | Toshiaki Ueda, Hideo Fukumoto, Yoshinori Sugiyama, Shigekazu Inaba | 2011-08-23 |
| 7942528 | Perimeter | — | 2011-05-17 |