Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10925443 | Household tissue paper and hydrolysable sheet | Shinya Izumi, Atsuko Hasezawa, Shinpei Mukoyama, Kosuke YAMAZAKI | 2021-02-23 |
| 10422084 | Hydrolysable sheet | Shinpei Mukoyama, Shinya Izumi, Atsuko Hasezawa | 2019-09-24 |