Inventor
LI YUHU
CN8 patents
⚠️ This page may combine multiple inventors who share the name “LI YUHU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV SHAANXI NORMAL
6 patentsUS10907067B2Feb 2, 2021
Deacidifying and reinforcing agent for cellulose acetate film
UNIV SHAANXI NORMAL0 citations58
US10939759B2Mar 9, 2021
Collection apparatus for storing prolate photos
UNIV SHAANXI NORMAL1 citations55
US10444630B2Oct 15, 2019
Separating device for bonded cine film and method therefor
UNIV SHAANXI NORMAL1 citations55
US10802391B2Oct 13, 2020
Method of stripping films which are stuck together without damage
UNIV SHAANXI NORMAL0 citations48
US9841666B2Dec 12, 2017
Restoration solution for cine film bubble and restoration method
UNIV SHAANXI NORMAL1 citations45
US12391900B2Aug 19, 2025
Method for removing silver mirroring from surface of black-and-white negative film
UNIV SHAANXI NORMAL0 citations41