Ching Han Yu

Person

Fonglin Township, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Over-current and over-voltage protection assembly apparatus
- Patent number 7,965,479
- Issue date Jun 21, 2011
- Polytronics Technology Corporation
- Pao Hsuan Chen
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Protective circuit board and overcurrent protection device thereof
- Patent number 7,852,192
- Issue date Dec 14, 2010
- Polytronics Technology Corporation
- Ching Han Yu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Over-current protection device and manufacturing method thereof
- Patent number 7,205,878
- Issue date Apr 17, 2007
- Polytronics Technology Corporation
- Zack Lin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Over-current protection apparatus
- Patent number 7,071,810
- Issue date Jul 4, 2006
- Polytronics Technology Corporation
- Yun Ching Ma
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OVER-VOLTAGE PROTECTION DEVICE
- Publication number 20090231763
- Publication date Sep 17, 2009
- Polytronics Technology Corporation
- Pao Hsuan Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
VARIABLE IMPEDANCE COMPOSITION
- Publication number 20090224213
- Publication date Sep 10, 2009
- Polytronics Technology Corporation
- Pao Hsuan Chen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROTECTIVE CIRCUIT BOARD AND OVERCURRENT PROTECTION DEVICE THEREOF
- Publication number 20080253050
- Publication date Oct 16, 2008
- Polytronics Technology Corporation
- Ching Han Yu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OVER-CURRENT AND OVER-VOLTAGE PROTECTION ASSEMBLY APPARATUS
- Publication number 20080100981
- Publication date May 1, 2008
- Pao Hsuan CHEN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Temperature sensor
- Publication number 20050232334
- Publication date Oct 20, 2005
- Polytronics Technology Corporation
- Yun-Ching Ma
- G01 - MEASURING TESTING
Information Patent Application
Over-current protection apparatus
- Publication number 20050141160
- Publication date Jun 30, 2005
- Yun Ching Ma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Over-current protection device
- Publication number 20050128046
- Publication date Jun 16, 2005
- Zack Lin
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Over-current protection device and manufacturing method thereof
- Publication number 20050094347
- Publication date May 5, 2005
- Zack Lin
- H01 - BASIC ELECTRIC ELEMENTS

Ching Han Yu

Person

Patents Grantslast 30 patents

Over-current and over-voltage protection assembly apparatus

Protective circuit board and overcurrent protection device thereof

Over-current protection device and manufacturing method thereof

Over-current protection apparatus

Patents Applicationslast 30 patents

OVER-VOLTAGE PROTECTION DEVICE

VARIABLE IMPEDANCE COMPOSITION

PROTECTIVE CIRCUIT BOARD AND OVERCURRENT PROTECTION DEVICE THEREOF

OVER-CURRENT AND OVER-VOLTAGE PROTECTION ASSEMBLY APPARATUS

Temperature sensor

Over-current protection apparatus

Over-current protection device

Over-current protection device and manufacturing method thereof