Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12168731 | Marking ink composition for writing board | — | 2024-12-17 |
| 7001094 | Writing utensil having excellent cap-off performance | Kazuhiro Ami, Takahiro Osada | 2006-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12168731 | Marking ink composition for writing board | — | 2024-12-17 |
| 7001094 | Writing utensil having excellent cap-off performance | Kazuhiro Ami, Takahiro Osada | 2006-02-21 |