Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8177925 | High-tensile steel plate, welded steel pipe or tube, and methods of manufacturing thereof | Nobuaki Takahashi, Masahiko Hamada, Shuji Okaguchi, Akihiro Yamanaka | 2012-05-15 |