Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922411 | End plug mounting structure for writing instrument | — | 2011-04-12 |
| 7878726 | Stick-shaped material propelling container | Tadashi Keda | 2011-02-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7922411 | End plug mounting structure for writing instrument | — | 2011-04-12 |
| 7878726 | Stick-shaped material propelling container | Tadashi Keda | 2011-02-01 |