Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9011401 | Disposable diaper | Ryuichi Kamiyama, Toshimitsu Baba, Kaiyo Nakajima | 2015-04-21 |
| 8728050 | Absorbent article provided with a barrier sheet | Kaiyo Nakajima, Hironao Minato | 2014-05-20 |