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TWINHEAD INTERNATIONAL CORP

Overview
  • Total Patents
    11
About

TWINHEAD INTERNATIONAL CORP has a total of 11 patent applications. Its first patent ever was published in 1995. It filed its patents most often in United States and Germany. Its main competitors in its focus markets electrical machinery and energy, computer technology and audio-visual technology are SULTENFUSS ANDREW T, ZONE TECHNOLOGY INC and VIRTUAL POWER SYSTEMS INC.

Patent filings in countries

World map showing TWINHEAD INTERNATIONAL CORPs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Germany 1

Patent filings per year

Chart showing TWINHEAD INTERNATIONAL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yeh Henry 5
#2 Yeh Shih-Ping 2
#3 Lee Ing-Jen 1
#4 Yeh Szu-Ping 1
#5 Chien Chih-Hsiang 1
#6 Hsieh Chih-Ho 1
#7 Chang Yi-Shun 1

Latest patents

Publication Filing date Title
US6069448A LCD backlight converter having a temperature compensating means for regulating brightness
US6082623A Cooling system and method for a portable computer
US6049193A Method and device for executing a battery auto-learning
US5905365A Real time-clock power supply device
US5889513A Display device for detecting working load of a CPU
US5962936A Power supply device for LCD backlight converter
US5877628A Warning device for detecting RTC electrical cell
DE19731013A1 Process for intelligently controlling LCD backlight of notebook computer and device of it
US5852743A Method and apparatus for connecting a plug-and-play peripheral device to a computer
US5753982A Apparatus for supplying power to a peripheral device from computer system
US5559675A Computer CPU heat dissipating and protecting device