Penggang HAN

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Etching method and a semiconductor device
- Patent number 11,152,220
- Issue date Oct 19, 2021
- Shanghai Huali Integrated Circuit Mfg. Co. Ltd.
- Penggang Han
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ETCHING METHOD AND A SEMICONDUCTOR DEVICE
- Publication number 20200168470
- Publication date May 28, 2020
- SHANGHAI HUALI MICROELECTRONICS CORPORATION
- Penggang HAN
- H01 - BASIC ELECTRIC ELEMENTS