Inventor

OUYANG LIU

CN2 patents

⚠️ This page may combine multiple inventors who share the name “OUYANG LIU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CARL ZEISS VISION TECHNICAL SERVICES GUANGZHOU LTD

1 patent

US11754860B2Sep 12, 2023

Photochromic lens with laminated film, method for producing a photochromic lens, and a spectacle frame

CARL ZEISS VISION TECHNICAL SERVICES GUANGZHOU LTD2 citations60

ZEISS CARL VISION INT GMBH

1 patent

US11940596B2Mar 26, 2024

Spectacle lens with antibacterial and/or antiviral properties and method for manufacturing the same

ZEISS CARL VISION INT GMBH0 citations46