Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851252 | Aqueous ink composition for writing instruments | Kousuke OGURA, Akiko HIRAYAMA | 2020-12-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851252 | Aqueous ink composition for writing instruments | Kousuke OGURA, Akiko HIRAYAMA | 2020-12-01 |