Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653899 | Method of making a steel pipe by electric resistance heating of opposing edges of a sheet prior to laser welding | Takayuki Odake, Toshihiro Takamura, Yutaka Nagahama | 1997-08-05 |
| 5496421 | High-strength martensitic stainless steel and method for making the same | Shuji Hashizume, Yusuke Minami | 1996-03-05 |
| 5431748 | Electric-resistance-welded steel pipe with high strength | Tatsuo Maeda, Toshihiro Takamura, Yuji Sugimoto, Mitoshi Morimoto, Tetsuro Sugayoshi +1 more | 1995-07-11 |
| 5286309 | Electric-resistance-welded steel pipe with high strength | Tatsuo Maeda, Toshihiro Takamura, Yuji Sugimoto, Mitoshi Morimoto, Tetsuro Sugayoshi +1 more | 1994-02-15 |