Wei ZHANG

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Hayward, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
UV-LED liquid monitoring and treatment apparatus and method
- Patent number 10,669,166
- Issue date Jun 2, 2020
- LARQ INC.
- Yitao Liao
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Ultraviolet light emitting device doped with boron
- Patent number 10,326,054
- Issue date Jun 18, 2019
- RayVio Corporation
- Yitao Liao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
UV-LED liquid monitoring and treatment apparatus and method
- Patent number 10,227,241
- Issue date Mar 12, 2019
- RayVio Corporation
- Yitao Liao
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Ultraviolet light emitting device doped with boron
- Patent number 9,876,143
- Issue date Jan 23, 2018
- RayVio Corporation
- Yitao Liao
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
UV-LED LIQUID MONITORING AND TREATMENT APPARATUS AND METHOD
- Publication number 20190202715
- Publication date Jul 4, 2019
- RayVio Corporation
- Yitao LIAO
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
UV-LED LIQUID MONITORING AND TREATMENT APPARATUS AND METHOD
- Publication number 20160289090
- Publication date Oct 6, 2016
- RayVio Corporation
- Yitao LIAO
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
ULTRAVIOLET LIGHT EMITTING DEVICE DOPED WITH BORON
- Publication number 20160099382
- Publication date Apr 7, 2016
- RayVio Corporation
- Yitao LIAO
- H01 - BASIC ELECTRIC ELEMENTS