Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852035 | Welding bellows capable of absorbing torsion | Yoichi Tsugane, Takashi Mishiba, Hiroyuki Tsugane | 2005-02-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6852035 | Welding bellows capable of absorbing torsion | Yoichi Tsugane, Takashi Mishiba, Hiroyuki Tsugane | 2005-02-08 |