Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7523849 | Ultrasonic welding method, ultrasonic welding device and pipe joined by the same | Yuuichi Aoki, Hiroyasu Morikawa, Arinori Shimizu, Hirokazu Hashimoto | 2009-04-28 |