Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421664 | Papermaking agent, manufacturing method for papermaking agent and paper | Ryusuke Kambara, Shuichi Takaki | 2025-09-23 |
| 12018437 | Papermaking agent, manufacturing method for papermaking agent and paper | Ryusuke Kambara, Shuichi Takaki | 2024-06-25 |