Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698614 | Fluorescent ink composition for use in marking pens | Hiroaki Ueda, Yasushi Okuda | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698614 | Fluorescent ink composition for use in marking pens | Hiroaki Ueda, Yasushi Okuda | 1997-12-16 |