Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374679 | Sizing agent and paper sized therewith | Osamu Ishiguro | 1994-12-20 |
| 5248724 | Sizing agent and paper sized therewith | Osamu Ishiguro | 1993-09-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374679 | Sizing agent and paper sized therewith | Osamu Ishiguro | 1994-12-20 |
| 5248724 | Sizing agent and paper sized therewith | Osamu Ishiguro | 1993-09-28 |