Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6517643 | Steel having excellent outer surface SCC resistance for pipeline | Hitoshi Asahi, Shigeo Okano, Takahiro Kushida, Hideaki Fukai | 2003-02-11 |
| 6436340 | Weatherable steel material | Kazuhiko Shiotani, Akio Ohmori, Kimihiro Nishimura, Fumimaru Kawabata, Keniti Amano | 2002-08-20 |