Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423247 | Phosphorescent pigment and process for preparing the same | Mizue Fukushima, Hiroshi Hirashima, Hiroaki Imai | 2002-07-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423247 | Phosphorescent pigment and process for preparing the same | Mizue Fukushima, Hiroshi Hirashima, Hiroaki Imai | 2002-07-23 |