Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617781 | Red light emitting long afterglow photoluminescence phosphor and afterglow lamp thereof | Yoshinori Murazaki | 2003-09-09 |
KA
Kiyotaka Arai
Overall (2003): #178,667 of 273,478Top 70%
1
Patents 2003