Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885483 | Long afterglow phosphor and a process for the preparing thereof | Pengcheng Li, Jun Li, Baoshan Lu, Jingfeng Gao, Qian Xu | 1999-03-23 |
| 5853614 | Long decay luminescent material | Qian Xu, Jun Li, Pengcheng Li, Baochan Liu, Atsushi Ogura +1 more | 1998-12-29 |