Deyan CHE

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Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for changing group type and group creation method and device
- Patent number 11,178,517
- Issue date Nov 16, 2021
- Dingtalk Holding (Cayman) Limited
- Boyu Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CHANGING GROUP TYPE AND GROUP CREATION METHOD AND DEVICE
- Publication number 20200196111
- Publication date Jun 18, 2020
- Dingtalk Holding (Cayman) Limited
- Boyu Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Group Information Acquisition Method, Apparatus and Interaction System
- Publication number 20190342237
- Publication date Nov 7, 2019
- Alibaba Group Holding Limited
- Xinglin Ma
- G06 - COMPUTING CALCULATING COUNTING