Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780264 | Method and apparatus for welding synthetic resin member by high frequency or ultrasonic heating | Osamu Igarashi, Michio Ito | 2004-08-24 |
| 6742226 | Slide fastener | Yoshio Matsuda | 2004-06-01 |