Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423247 | Phosphorescent pigment and process for preparing the same | Mizue Fukushima, Hiroshi Hirashima, Hiroaki Imai | 2002-07-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423247 | Phosphorescent pigment and process for preparing the same | Mizue Fukushima, Hiroshi Hirashima, Hiroaki Imai | 2002-07-23 |