Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525220 | Process for producing fibrous board | Kazutoshi HANAYA, Masaya AKAO | 2022-12-13 |
| 11186931 | Process for producing needle-punched nonwoven fabric | Kazutoshi HANAYA, Toru Takahashi, Hideaki KAMINOKADO, Masaya AKAO | 2021-11-30 |