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Chou Har WU
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North Point, HK
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Patents Grants
last 30 patents
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Patent Grant
Power-generating insole and light emitting shoe based on coupled po...
Patent number
11,754,234
Issue date
Sep 12, 2023
Calson Investment Limited
Chou Har Wu
F21 - LIGHTING
Patents Applications
last 30 patents
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Patent Application
INTEGRATED FABRIC BASED POWER-GENERATING INSOLE AND METHOD OF MANUF...
Publication number
20220218066
Publication date
Jul 14, 2022
Calson Investment Limited
Chou Har WU
A43 - FOOTWEAR
Information
Patent Application
POWER-GENERATING INSOLE AND LIGHT EMITTING SHOE BASED ON COUPLED PO...
Publication number
20220221116
Publication date
Jul 14, 2022
Calson Investment Limited
Chou Har WU
A43 - FOOTWEAR
Information
Patent Application
Power-Generating Insole, Power-Generating Blanket and Power-Generat...
Publication number
20200237046
Publication date
Jul 30, 2020
Calson Investment Limited
Chou Har WU
A43 - FOOTWEAR