Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6462298 | Long life welding electrode and its fixing structure, welding head and welding method | Tadahiro Ohmi, Takahisa Nitta, Osamu Nakamura | 2002-10-08 |
| 6436353 | Gas recovering apparatus | Tadahiro Ohmi, Takahisa Nitta, Taiji Hashimoto, Kazuhide Ino | 2002-08-20 |