Lei ZHAO

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Hefei City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Compensation method and system for exposure alignment
- Patent number 12,197,122
- Issue date Jan 14, 2025
- CHANGXIN MEMORY TECHNOLOGIES, INC.
- Sheng'an Zhang
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier device
- Patent number 12,131,941
- Issue date Oct 29, 2024
- CHANGXIN MEMORY TECHNOLOGIES, INC.
- Lei Zhao
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
CARRIER DEVICE
- Publication number 20230062554
- Publication date Mar 2, 2023
- CHANGXIN MEMORY TECHNOLOGIES, INC.
- Lei ZHAO
- B08 - CLEANING
Information Patent Application
COMPENSATION METHOD AND SYSTEM FOR EXPOSURE ALIGNMENT
- Publication number 20220317558
- Publication date Oct 6, 2022
- CHANGXIN MEMORY TECHNOLOGIES, INC
- Sheng'an ZHANG
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PHOTOLITHOGRAPHY ALIGNMENT METHOD AND SYSTEM
- Publication number 20220035238
- Publication date Feb 3, 2022
- CHANGXIN MEMORY TECHNOLOGIES, INC
- Lei ZHAO
- H01 - BASIC ELECTRIC ELEMENTS