Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8425675 | Recrystallization type of ink composition | Han-Shin Jung | 2013-04-23 |
| 6193429 | Tip mechanism for knock-type ballpoint pen | — | 2001-02-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8425675 | Recrystallization type of ink composition | Han-Shin Jung | 2013-04-23 |
| 6193429 | Tip mechanism for knock-type ballpoint pen | — | 2001-02-27 |