Zhisong CHAI

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Methods for preparing high performance press-hardened steel components
- Patent number 11,913,085
- Issue date Feb 27, 2024
- GM Global Technology Operations LLC
- Zhisong Chai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Stamped components with reduced hot-forming cycle time
- Patent number 11,781,197
- Issue date Oct 10, 2023
- GM Global Technology Operations LLC
- Qi Lu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
HOT DIP GALVANIZED ULTRA-HIGH STRENGTH STEEL SHEETS WITH HIGH FLATNESS
- Publication number 20240229182
- Publication date Jul 11, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Zhou WANG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHODS FOR PREPARING HIGH PERFORMANCE PRESS-HARDENED STEEL COMPONENTS
- Publication number 20240052445
- Publication date Feb 15, 2024
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Zhisong CHAI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHODS OF FORMING STEEL SHEETS WITH ENHANCED FLATNESS
- Publication number 20230383374
- Publication date Nov 30, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Zhou WANG
- C21 - METALLURGY OF IRON
Information Patent Application
STAMPED COMPONENTS WITH REDUCED HOT-FORMING CYCLE TIME
- Publication number 20230243012
- Publication date Aug 3, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Qi Lu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
METHODS TO IMPROVE THE TOUGHNESS OF PRESS HARDENING STEEL
- Publication number 20230140215
- Publication date May 4, 2023
- GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Qi LU
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...