Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9452092 | Absorbent article | Miyuki Okawa, Akiko Tatsukawa | 2016-09-27 |
| 9066835 | Absorbent article | Miyuki Okawa, Akiko Tatsukawa | 2015-06-30 |
| 8834442 | Diaper cover and disposable diaper | Akiko Tatsukawa, Saeko Okuto | 2014-09-16 |
| 8382733 | Absorbent product | Miyuki Okawa, Akiko Tatsukawa | 2013-02-26 |
| 8235960 | Absorbent product | Akiko Tatsukawa | 2012-08-07 |