Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12134281 | Writing instrument | Yusuke Nakata | 2024-11-05 |
| 11926749 | Aqueous ink composition for writing instruments | — | 2024-03-12 |
| 11718758 | Aqueous dispersion of colored particles | Tetsuji Murase, Sho SHIBUSAWA, Tomoaki Horie | 2023-08-08 |
| 11560489 | Dispersion liquid of colored resin fine particles for aqueous ink, and aqueous ink composition for writing instruments using same | — | 2023-01-24 |
| 10501649 | Aqueous ink composition for writing instruments | — | 2019-12-10 |