Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10507685 | Mechanical pencil unit and writing utensil with the mechanical pencil unit | Yukihiro Tsukioka, Shigeo Abe | 2019-12-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10507685 | Mechanical pencil unit and writing utensil with the mechanical pencil unit | Yukihiro Tsukioka, Shigeo Abe | 2019-12-17 |