Growing community of inventors

Guangzhou, China

Liu Ouyang

Average Co-Inventor Count = 4.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 0

Liu OuyangStephen Brown (1 patent)Liu OuyangEmad Flear Aziz (1 patent)Liu OuyangYong Tian (1 patent)Liu OuyangJingye Liang (1 patent)Liu OuyangHaiming You (1 patent)Liu OuyangMarc Wawerla (1 patent)Liu OuyangLiu Ouyang (2 patents)Stephen BrownStephen Brown (3 patents)Emad Flear AzizEmad Flear Aziz (3 patents)Yong TianYong Tian (2 patents)Jingye LiangJingye Liang (2 patents)Haiming YouHaiming You (1 patent)Marc WawerlaMarc Wawerla (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Carl Zeiss Vision International Gmbh (2 from 226 patents)

2. Carl Zeiss Vision (china) Ltd. (1 from 1 patent)

3. Carl Zeiss Vision Gmbh (70 patents)


2 patents:

1. 11940596 - Spectacle lens with antibacterial and/or antiviral properties and method for manufacturing the same

2. 11754860 - Photochromic lens with laminated film, method for producing a photochromic lens, and a spectacle frame

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as of
12/12/2025
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