**Product Specifications:**
**Brand:** YIDUN
**Certificates:** Certificate No. 4801140, Certificate No. 4728124
**Patents:**
- Utility Model Patent: Optical Anti-Blue Light and Anti-Radiation Glasses
- Inventor: Meirongsheng
- Patent No.: ZL.201520556719.3
- Application Date: July 29, 2015
- Utility Model Patent: UV Coating Colorful Film Glasses
- Inventor: Meirongsheng
- Patent No.: ZL201520556646.8
- Application Date: July 29, 2015
**Patent Holder:** Nanjing YIDUN Technology Co., Ltd.
**Announcement Dates:**
- Patent Announcement Date: December 9, 2015
- Authorization Announcement Date: January 20, 2016
**Patent Term:** 10 years from the application date
**Annual Fee:** Due on July 29th each year, failure to pay may result in termination of patent rights
**Legal Status:** Recorded on the patent certificate, any changes in patent rights or patent holder's information should be updated in the patent registration
**Director:** Meirongsheng
Please note that the product specifications include two patented products: Optical Anti-Blue Light and Anti-Radiation Glasses, and UV Coating Colorful Film Glasses.
