Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7482051 | Structure of inflatable air-packing device having check valve and multiple air bubbles | Wei-Wen Peng | 2009-01-27 |
| 7254932 | Multi-purpose air-packing method and system | Katsutoshi Yoshifusa | 2007-08-14 |
| 7204278 | Structure of check-valve and production method thereof and inflatable air-packing device using same | Hidetoshi Koyanagi, Katsutoshi Yoshifusa | 2007-04-17 |
| 7165677 | Structure of air-packing device | Katsutoshi Yoshifusa | 2007-01-23 |
| 7000767 | Structure of air-packing device having improved shock absorbing capability | Hidetoshi Koyanagi, Katsutoshi Yoshifusa | 2006-02-21 |