Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5942027 | Ink for ball point pen | Takayuki Ikai | 1999-08-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5942027 | Ink for ball point pen | Takayuki Ikai | 1999-08-24 |