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CHENG YU-CHIH

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    226,667
About

CHENG YU-CHIH has a total of 20 patent applications. Its first patent ever was published in 2001. It filed its patents most often in United States, EPO (European Patent Office) and Hong Kong. Its main competitors in its focus markets computer technology, electrical machinery and energy and optics are MCKEAN BRIAN, PERIFIC AB and SUPERCOMPUTER SYSTEMS LTD.

Patent filings in countries

World map showing CHENG YU-CHIHs patent filings in countries
# Country Total Patents
#1 United States 11
#2 EPO (European Patent Office) 2
#3 Hong Kong 2
#4 Japan 2
#5 Canada 1
#6 Mexico 1
#7 Taiwan 1

Patent filings per year

Chart showing CHENG YU-CHIHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cheng Yu-Chih 20
#2 Yao Jin-Wang 1
#3 Ho Wei-Chuan 1
#4 Zheng Lin 1
#5 Chang Ting-Yu 1
#6 Lou Chin-Kuan 1
#7 Chiang Hsiao-Lung 1

Latest patents

Publication Filing date Title
US7458680B1 Eyeglasses
HK1101435A1 Succession chinese character input method
JP2007058860A Kanji character succeeding character input method
US7192135B1 Eyeglasses assembly
CA2531517A1 Universal x, y-axis positioning input method
US2007050186A1 Succession Chinese character input method
US2006176284A1 Universal x,y-axis positioning input method
TW200629122A Universal vertical/horizontal axis positioning input method