Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11975560 | Ballpoint pen tip, ballpoint pen refill, and ballpoint pen | Takumi Kajiwara | 2024-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11975560 | Ballpoint pen tip, ballpoint pen refill, and ballpoint pen | Takumi Kajiwara | 2024-05-07 |