Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7168728 | Stroller foldable in three | Yuichi Arai, Toshiharu Hatano | 2007-01-30 |
| 6964429 | Stroller | Kentaro Moriguchi | 2005-11-15 |
| 6860504 | Stroller foldable in three | Yuichi Arai, Toshiharu Hatano | 2005-03-01 |
| 6820891 | Stroller foldable in three | — | 2004-11-23 |