Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300751 | Method for gas-shield arc welding of a pipe and weld wire for use in the welding method | Shigeru Endo, Moriyasu Nagae, Toshihiko Nakano, Masato Konishi | 1994-04-05 |
| 5272305 | Girth-welding process for a pipe and a high cellulose type coated electrode | Shigeru Endo, Moriyasu Nagae, Takeshi Sugino, Shouzou Naruse | 1993-12-21 |