P

Inventor

CHANG YU-YUAN

TW26 patents
⚠️ This page may combine multiple inventors who share the name “CHANG YU-YUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZIPPY TECH CORP

18 patents
US7492246B2Feb 17, 2009

Winding structure of transformer

ZIPPY TECH CORP23 citations92
USD852151SJun 25, 2019

Power supply

ZIPPY TECH CORP13 citations83
US9451721B1Sep 20, 2016

Modular redundant power supply

ZIPPY TECH CORP19 citations83
US7723866B2May 25, 2010

Power backup system

ZIPPY TECH CORP10 citations83
US8648618B1Feb 11, 2014

Method and module for judging status of power supplies

ZIPPY TECH CORP8 citations82
US9448605B2Sep 20, 2016

Redundant power supply system providing rapid start of backup

ZIPPY TECH CORP5 citations72
US9401627B2Jul 26, 2016

Redundant power supply system providing alternate standby

ZIPPY TECH CORP4 citations72
US7903437B2Mar 8, 2011

Frequency-changing voltage regulation circuit

ZIPPY TECH CORP4 citations62
US7898784B2Mar 1, 2011

Protection circuit with variable current level limits

ZIPPY TECH CORP3 citations62
US7843083B2Nov 30, 2010

Backup power system equipped with independent protection circuit architecture

ZIPPY TECH CORP2 citations62
US7542310B2Jun 2, 2009

Synchronous rectification control circuit

ZIPPY TECH CORP6 citations62
US7956549B2Jun 7, 2011

Power conversion structure

ZIPPY TECH CORP2 citations56
US8766759B2Jul 1, 2014

Transformer

ZIPPY TECH CORP1 citations51
US8364990B2Jan 29, 2013

Remote controlled power supply system

ZIPPY TECH CORP0 citations50
US9996134B2Jun 12, 2018

Method to avoid over-rebooting of power supply device

ZIPPY TECH CORP0 citations49
US9966794B1May 8, 2018

Power supply for redundant power system

ZIPPY TECH CORP0 citations41
US7602621B2Oct 13, 2009

Half bridge converter

ZIPPY TECH CORP0 citations41
US9874589B2Jan 23, 2018

Inrush current recording module

ZIPPY TECH CORP0 citations36

SHIH TSUN-TE

5 patents

RAYDIUM SEMICONDUCTOR CORP

1 patent

WANG YI-HUA

1 patent

CHANG YU-YUAN

1 patent