Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131061 | Method for manufacturing recycled pulp fibers | Takayoshi Konishi, Toshio Hiraoka, Takashi Kato | 2021-09-28 |
| 11021839 | Recovery method for organic acid, and production method for recycled pulp | Takayoshi Konishi, Toshio Hiraoka, Takashi Kato, Yoshihide Ishikawa | 2021-06-01 |