Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038047 | Method for welding metal material | Tomohiro Maruko | 2011-10-18 |
| 7918379 | Process for working metal material and structures | Masao Fukusumi, Yoshiaki Morisada, Takeshi Ishikawa | 2011-04-05 |
| 7915560 | TIG welding equipment and TIG welding methods | Toyoyuki Satou, Koji Nakamura, Yutaka Kimura, Shanping Lu, Kiyoshi Nogi | 2011-03-29 |