Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962283 | Welding method for fluorine-passivated member for welding, fluorine-passivated method after being weld, and welded parts priority data | Tadahiro Ohmi, Yasuyuki Shirai, Osamu Nakamura | 2005-11-08 |
| 6940034 | Long life welding electrode and its fixing structure, welding head, and welding method | Tadahiro Ohmi, Yasuyuki Shirai, Osamu Nakamura | 2005-09-06 |