Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628449 | Method of welding a carbon steel and an austenitic stainless steel together and resultant structure | Tsutomu Onuma, Toshimi Matsumoto, Masami Yada, Koji Goto, Osamu Matsushima +2 more | 1997-05-13 |