Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659993 | Disposable diaper | Yasushi Sayama | 2003-12-09 |
| 6648867 | Disposable diaper with breathable and liquid-resistant side flaps | Yasushi Sayama, Naomi Suzuki, Rumiko Shiraishi | 2003-11-18 |