Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9669649 | Mechanical pencil | Hirotake Izawa | 2017-06-06 |
| 9597920 | Writing instrument or applicator having resin molded parts | Kei Oomoto, Yumi Maejima, Kyo Nakayama | 2017-03-21 |