Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834334 | Cargo pallet | Hirotaka Yoshifusa | 2017-12-05 |
| 9700161 | Exhaust valve apparatus and gas filled cushion | Hirotaka Yoshifusa, Lee-Jin Park | 2017-07-11 |
| 8277910 | Structure of fluid container and method and apparatus for producing the fluid container | Yoshihiro Koyanagi, Kenneth Nakagawa | 2012-10-02 |
| 7254932 | Multi-purpose air-packing method and system | Yasuzumi Tanaka | 2007-08-14 |
| 7204278 | Structure of check-valve and production method thereof and inflatable air-packing device using same | Hidetoshi Koyanagi, Yasuzumi Tanaka | 2007-04-17 |
| 7165677 | Structure of air-packing device | Yasuzumi Tanaka | 2007-01-23 |
| 7000767 | Structure of air-packing device having improved shock absorbing capability | Yasuzumi Tanaka, Hidetoshi Koyanagi | 2006-02-21 |
| 6827099 | Sealing method and apparatus for fluid container | Yasusumi Tanaka | 2004-12-07 |
| 6277275 | Apparatus for magnetic treatment of fluid | Yutaka Matsuura | 2001-08-21 |