Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7926853 | Heat exchanger pipe joint | Yoshiki Katoh, Mitsugu Nakamura, Sadayuki Kamiya, Hiroki Naganawa, Takaharu Nagoya +1 more | 2011-04-19 |
| 7648057 | Ultrasonic flange joining method | Yuuichi Aoki, Hiroyasu Morikawa | 2010-01-19 |
| 7523849 | Ultrasonic welding method, ultrasonic welding device and pipe joined by the same | Yuuichi Aoki, Yoshihiko Matsusaka, Hiroyasu Morikawa, Hirokazu Hashimoto | 2009-04-28 |