Issued Patents All Time
Showing 1–2 of 2 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 |
| 5170028 | Process and apparatus, for electron beam welding of a member partially enclosed in vacuum chamber, and the member formed thereby | Takeshi Wada, Noboru Umehara, Toshio Nemoto, Toshio Namatame | 1992-12-08 |