Xian-Feng Liu

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Receiving multi-frequency data in high speed downlink packet access...
- Patent number 8,054,786
- Issue date Nov 8, 2011
- Shanghai Ultimate Power Communications Technology Co., Ltd.
- Song Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for integrating DMOS into sub-micron CMOS process
- Patent number 7,544,558
- Issue date Jun 9, 2009
- BCD Semiconductor Manufacturing Limited
- Chong Ren
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lateral DMOS structure
- Patent number 7,535,058
- Issue date May 19, 2009
- BCD Semiconductor Manufacturing Limited
- Xian-Feng Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lateral PNP transistor and the method of manufacturing the same
- Patent number 7,446,012
- Issue date Nov 4, 2008
- BCD Semiconductor Manufacturing Limited
- Chong Ren
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
RECEIVING MULTI-FREQUENCY DATA IN HIGH SPEED DOWNLINK PACKET ACCESS...
- Publication number 20080165724
- Publication date Jul 10, 2008
- Song Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Lateral DMOS structure
- Publication number 20070278569
- Publication date Dec 6, 2007
- BCD Semiconductor Manufacturing Limited
- Xian-Feng Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for integrating DMOS into sub-micron CMOS process
- Publication number 20070212823
- Publication date Sep 13, 2007
- BCD Semiconductor Manufacturing Limited
- Chong Ren
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Poly emitter bipolar device configuration and fabrication method wi...
- Publication number 20070176254
- Publication date Aug 2, 2007
- BCD Semiconductor Manufacturing Limited
- Xian-Feng Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method for fabricating bipolar integrated circuits
- Publication number 20070173026
- Publication date Jul 26, 2007
- BCD Semiconductor Manufacturing Limited
- JinChuan Zeng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fabrication method for bipolar integrated circuits
- Publication number 20060148188
- Publication date Jul 6, 2006
- BCD Semiconductor Manufacturing Limited
- Xian Feng Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Lateral PNP transistor and the method of manufacturing the same
- Publication number 20060118881
- Publication date Jun 8, 2006
- BCD Semiconductor Manufacturing Limited
- Chong Ren
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Lateral PNP transistor and the method of manufacturing the same
- Publication number 20060043528
- Publication date Mar 2, 2006
- Chong Ren
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Freestanding portable electronic devices
- Publication number 20050218978
- Publication date Oct 6, 2005
- Alan Liu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Xian-Feng Liu

Person

Patents Grantslast 30 patents

Receiving multi-frequency data in high speed downlink packet access...

Method for integrating DMOS into sub-micron CMOS process

Lateral DMOS structure

Lateral PNP transistor and the method of manufacturing the same

Patents Applicationslast 30 patents

RECEIVING MULTI-FREQUENCY DATA IN HIGH SPEED DOWNLINK PACKET ACCESS...

Lateral DMOS structure

Method for integrating DMOS into sub-micron CMOS process

Poly emitter bipolar device configuration and fabrication method wi...

Method for fabricating bipolar integrated circuits

Fabrication method for bipolar integrated circuits

Lateral PNP transistor and the method of manufacturing the same

Lateral PNP transistor and the method of manufacturing the same

Freestanding portable electronic devices