Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D472925 | Writing instrument | Akira Matsuda, Masatoshi Yashima | 2003-04-08 |
| D472926 | Writing instrument | Akira Matsuda, Masatoshi Yashima | 2003-04-08 |
| 6536969 | Writing tool equipped with ink reservoir | — | 2003-03-25 |