Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10052849 | Photochromic polyurethane laminate | Xuzhi Qin, Hideyo Sugimura | 2018-08-21 |
| 9981452 | Photochromic polyurethane laminate | Xuzhi Qin, Hideyo Sugimura | 2018-05-29 |
| 9981453 | Photochromic polyurethane laminate | Xuzhi Qin, Hideyo Sugimura | 2018-05-29 |