Ho Yiu MAK

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Soft acoustic boundary plate
- Patent number 11,905,703
- Issue date Feb 20, 2024
- The Hong Kong University of Science and Technology
- Ping Sheng
- E04 - BUILDING
Information Patent Grant
Low frequency acoustic absorption and soft boundary effect with fre...
- Patent number 10,991,358
- Issue date Apr 27, 2021
- The Hong Kong University of Science and Technology
- Ping Sheng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
ULTRA-LOW FREQUENCY ACOUSTIC ABSORBER
- Publication number 20240185822
- Publication date Jun 6, 2024
- THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Ping SHENG
- B32 - LAYERED PRODUCTS
Information Patent Application
SOFT ACOUSTIC BOUNDARY PLATE
- Publication number 20210381231
- Publication date Dec 9, 2021
- THE HONG KONG UNIVERSITY O SCIENCE AND TECHNOLOGY
- Ping SHENG
- E04 - BUILDING
Information Patent Application
Low Frequency Acoustic Absorption and Soft Boundary Effect with Fre...
- Publication number 20200211527
- Publication date Jul 2, 2020
- THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Ping SHENG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE