Huifang Duan

Person

Shenzhen City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method for preparing a base film of modified polyvinyl alcohol polymer
- Patent number 9,290,674
- Issue date Mar 22, 2016
- Shenzhen China Star Optoelectronics Technology Co. Ltd.
- Rui Xu
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Debris collection device for cutting mechanism and LCD panel cuttin...
- Patent number 9,149,950
- Issue date Oct 6, 2015
- Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Huifang Duan
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Method for coating polyimide on liquid crystal display panel
- Patent number 9,144,134
- Issue date Sep 22, 2015
- Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Bingcheng Huang
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Pressure point inspection device
- Patent number 8,881,598
- Issue date Nov 11, 2014
- Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Huifang Duan
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
BASE FILM OF MODIFIED POLYVINYL ALCOHOL POLYMER
- Publication number 20160145402
- Publication date May 26, 2016
- SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO, LTD.
- RUI XU
- G02 - OPTICS
Information Patent Application
Base Film of Modified Polyvinyl Alcohol and Its Preparation Method...
- Publication number 20150225592
- Publication date Aug 13, 2015
- SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD.
- Rui XU
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
PRESSURE POINT INSPECTION DEVICE
- Publication number 20140109683
- Publication date Apr 24, 2014
- Shenzhen China Star Optoelectronics Technology Co., Ltd.
- Huifang Duan
- G02 - OPTICS
Information Patent Application
METHOD FOR COATING POLYIMIDE ON LIQUID CRYSTAL DISPLAY PANEL
- Publication number 20140057044
- Publication date Feb 27, 2014
- SHENZHEN CHINA STAR OPTOELECTRONICS TECHOLOGY CO., LTD.
- Bingcheng Huang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Debris Collection Device for Cutting Mechanism and LCD Panel Cuttin...
- Publication number 20130104336
- Publication date May 2, 2013
- Huifang Duan
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
Debris Collection Device for Cutting Mechanism, LCD Panel Cutting D...
- Publication number 20130104715
- Publication date May 2, 2013
- Junjie Huang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Huifang Duan

Person

Patents Grantslast 30 patents

Method for preparing a base film of modified polyvinyl alcohol polymer

Debris collection device for cutting mechanism and LCD panel cuttin...

Method for coating polyimide on liquid crystal display panel

Pressure point inspection device

Patents Applicationslast 30 patents

BASE FILM OF MODIFIED POLYVINYL ALCOHOL POLYMER

Base Film of Modified Polyvinyl Alcohol and Its Preparation Method...

PRESSURE POINT INSPECTION DEVICE

METHOD FOR COATING POLYIMIDE ON LIQUID CRYSTAL DISPLAY PANEL

Debris Collection Device for Cutting Mechanism and LCD Panel Cuttin...

Debris Collection Device for Cutting Mechanism, LCD Panel Cutting D...