Na Wang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Item recall method and system, electronic device and readable stora...
- Patent number 11,907,659
- Issue date Feb 20, 2024
- Beijing JingDong ShangKe Information Technology Co., Ltd.
- Yitong Hu
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Item Recall Method and System, Electronic Device and Readable Stora...
- Publication number 20220019739
- Publication date Jan 20, 2022
- Beijing Jingdong Shangke Information Technology Co., Ltd.
- Yitong Hu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Pressure Reducing Valve and A Pressure Reducing System
- Publication number 20180046205
- Publication date Feb 15, 2018
- Beijing Huashi United Energy Technology and Development Co., Ltd.
- Lin Li
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...