Yuhu Li — 8 Patents at Shaanxi Normal University

Yuhu Li has been granted 8 US patents while listed as an inventor at Shaanxi Normal University. The first was granted in 2015 and the most recent in August 2025. Yuhu Li ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Yuhu Li in Xi'an, CN.

Patents per Year

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