Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839718 | Long persistent phosphorescence phosphor | Takashi Hase, Susumu Omatoi | 1998-11-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839718 | Long persistent phosphorescence phosphor | Takashi Hase, Susumu Omatoi | 1998-11-24 |