Ziwei Xia

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Determining inventory levels using rotatable counting devices and v...
- Patent number 11,896,144
- Issue date Feb 13, 2024
- Amazon Technologies, Inc.
- Ziwei Xia
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-interface apparatus
- Patent number 11,766,140
- Issue date Sep 26, 2023
- Amazon Technologies, Inc.
- Gregory Kim Justice
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...