Yunfei Li

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Patents Grantslast 30 patents

Information Patent Grant
Transistor structure with air gap and method of fabricating the same
- Patent number 12,040,224
- Issue date Jul 16, 2024
- United Microelectronics Corp.
- Yunfei Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Transistor structure with air gap and method of fabricating the same
- Patent number 11,355,389
- Issue date Jun 7, 2022
- United Microelectronics Corp.
- Yunfei Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming semiconductor device
- Patent number 11,127,621
- Issue date Sep 21, 2021
- United Microelectronics Corp.
- Ji Feng
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
TRANSISTOR STRUCTURE WITH AIR GAP AND METHOD OF FABRICATING THE SAME
- Publication number 20240332067
- Publication date Oct 3, 2024
- UNITED MICROELECTRONICS CORP.
- Yunfei Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSISTOR STRUCTURE WITH AIR GAP AND METHOD OF FABRICATING THE SAME
- Publication number 20220262671
- Publication date Aug 18, 2022
- UNITED MICROELECTRONICS CORP.
- Yunfei Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSISTOR STRUCTURE WITH AIR GAP AND METHOD OF FABRICATING THE SAME
- Publication number 20220139762
- Publication date May 5, 2022
- UNITED MICROELECTRONICS CORP.
- Yunfei Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF FORMING SEMICONDUCTOR DEVICE
- Publication number 20210134653
- Publication date May 6, 2021
- UNITED MICROELECTRONICS CORP.
- JI FENG
- H01 - BASIC ELECTRIC ELEMENTS