Hangwei CAI

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GUANGZHOU, Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Solder preform
- Patent number 11,207,748
- Issue date Dec 28, 2021
- Hangwei Cai
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
NANO SILVER PASTE AND PREPARATION METHOD THEREOF
- Publication number 20240009731
- Publication date Jan 11, 2024
- SOLDERWELL MICROELECTRONIC PACKAGING MATERIALS CO., LTD
- Hangwei CAI
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SOLDER PREFORM
- Publication number 20210039206
- Publication date Feb 11, 2021
- Hangwei CAI
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR