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YIU CHIH-HAO

Overview
  • Total Patents
    21
About

YIU CHIH-HAO has a total of 21 patent applications. Its first patent ever was published in 2002. It filed its patents most often in Taiwan, United Kingdom and United States. Its main competitors in its focus markets weapons, machines and measurement are WINMAU DARTBOARD LTD, YIU CHIH HAO and WHITNEY ASA NORMAN.

Patent filings in countries

World map showing YIU CHIH-HAOs patent filings in countries
# Country Total Patents
#1 Taiwan 9
#2 United Kingdom 5
#3 United States 5
#4 Germany 2

Patent filings per year

Chart showing YIU CHIH-HAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yiu Chih-Hao 21
#2 Huang Chih-Hsiung 1
#3 Chun Chien-Chen 1
#4 Chen Chun-Chien 1

Latest patents

Publication Filing date Title
US2008111311A1 Induction Frame for a Dartboard
US2007228658A1 Integrating Wave Sensing and Magnetic Induction Dartboard System
TW200628271A Fastener driving tool having repeatedly driving structure
TW200628208A Game dart having ballast
TW200533482A Method for driving electric percussion tool
TW200529547A Motor control device for water supplying device
TWI230778B Toe line generating device for dart game
TWI220659B Method for driving electric percussion tool
TW538325B Rotary members having reflective members
TW558676B Device for detecting angular position
TW558677B Device for detecting angular position