Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028341 | Article of clothing with buoyant material | Takashi Ikenaga, Mariko Shiraishi | 2006-04-18 |
| 6910224 | Article of clothing with buoyant material | Takashi Ikenaga, Mariko Shiraishi | 2005-06-28 |