Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11780258 | Liquid storage member for coating tools | Shinobu Kajiyama, Takeshi Iimori, Takayuki Yamaguchi | 2023-10-10 |
| 11679618 | Ink reservoir unit for writing instruments and writing instruments | — | 2023-06-20 |