Michael Liu

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FoShan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Case with segmented cradle assembly for a mobile communications device
- Patent number 12,259,752
- Issue date Mar 25, 2025
- World Richman Manufacturing Corporation
- David Huang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Case for a mobile communications device with accessory access window
- Patent number 12,143,138
- Issue date Nov 12, 2024
- World Richman Manufacturing Corporation
- Saharut Sirichai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mechanism for automatically powering off/on a visual display
- Patent number 11,360,538
- Issue date Jun 14, 2022
- World Richman Manufacturing Corporation
- Michael Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cradle apparatus for use with a mobile communications device
- Patent number 11,201,636
- Issue date Dec 14, 2021
- World Richman Manufacturing Corporation
- Michael Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Case Assembly or a Mobile Communications Device with Accessory Acce...
- Publication number 20220158678
- Publication date May 19, 2022
- World Richman Manufacturing Corporation
- Saharut Sirichai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mechanism for Automatically Powering Off/On a Visual Display
- Publication number 20220057853
- Publication date Feb 24, 2022
- World Richman Manufacturing Corporation
- Michael Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Cradle Apparatus for Use with a Mobile Communications Device
- Publication number 20200328773
- Publication date Oct 15, 2020
- World Richman Manufacturing Corporation
- Michael Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE