Issued Patents All Time
Showing 1–4 of 4 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, Akihiro Yamanaka, Ichirou Seta | 2012-05-15 |
| 6245290 | High-tensile-strength steel and method of manufacturing the same | Jayoung Koo, Narasimha-Rao Venkata Bangaru, Michael J. Luton, Clifford W. Petersen, Kazuki Fujiwara +2 more | 2001-06-12 |
| 6183573 | High-toughness, high-tensile-strength steel and method of manufacturing the same | Kazuki Fujiwara, Masahiko Hamada, Yu-ichi Komizo | 2001-02-06 |
| 6045630 | High-toughness, high-tensile-strength steel and method of manufacturing the same | Kazuki Fujiwara, Masahiko Hamada, Yu-ichi Komizo | 2000-04-04 |