Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12391900 | Method for removing silver mirroring from surface of black-and-white negative film | Jianxu Luo, Zhihui Jia, Ersudai Ma, Yajun Zhou | 2025-08-19 |
| 10939759 | Collection apparatus for storing prolate photos | Jiaojiao Liu, Wenjun Wang, Xiaolian Chao | 2021-03-09 |
| 10907067 | Deacidifying and reinforcing agent for cellulose acetate film | Zhihui Jia | 2021-02-02 |
| 10802391 | Method of stripping films which are stuck together without damage | Zhihui Jia | 2020-10-13 |
| 10444630 | Separating device for bonded cine film and method therefor | Zhihui Jia, Xiaolian Chao | 2019-10-15 |
| 9841666 | Restoration solution for cine film bubble and restoration method | Zhihui Jia, Ting Zhou, Meirong Shi, Yajun Zhou | 2017-12-12 |
| 9250511 | Shape-restoring device and a restoring method for distorted filmstrips | Yajun Zhou, Jing Cao | 2016-02-02 |
| 9178623 | Photon phase modulating system | Wei Chen, Shuang Wang, Zhenqiang Yin, Dajun Huang, Yang Yang +5 more | 2015-11-03 |