Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10265232 | Prefabricated modular radiation therapy vault design | Chung Chee Yim, Wan Fang Li, Ying Sun Au, Raymond Pau, Takashi Niimi | 2019-04-23 |
| 5885483 | Long afterglow phosphor and a process for the preparing thereof | Qinglong Hao, Pengcheng Li, Jun Li, Baoshan Lu, Jingfeng Gao | 1999-03-23 |
| 5853614 | Long decay luminescent material | Qinglong Hao, Jun Li, Pengcheng Li, Baochan Liu, Atsushi Ogura +1 more | 1998-12-29 |