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CHANG CHE-YUAN

Overview
  • Total Patents
    11
About

CHANG CHE-YUAN has a total of 11 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets furniture and games, consumer goods and textiles and paper are SIEBER HORST, LOMAS BRIAN and M I FLAIR LIMITED.

Patent filings in countries

World map showing CHANG CHE-YUANs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 1
#3 United Kingdom 1

Patent filings per year

Chart showing CHANG CHE-YUANs patent filings per year from 1900 to 2020

Focus technologies

# Technology
#1 Sanitary equipment
#2 Brushes
#3 Knitting

Top inventors

# Name Total Patents
#1 Chang Che-Yuan 11

Latest patents

Publication Filing date Title
GB201321386D0 Bathing aid and bathing assembly using the same
US2014033459A1 Cleaning brush
US2012304410A1 Cleaning brush
US2011010841A1 Bathing aid and bathing assembly using the same
US2009077763A1 Bathing aid and bathing assembly using the same
US2006225236A1 Bath sponge
US2006236486A1 Method of manufacturing a personal cleaning utensil
US7013523B2 Bathing ball
US7097803B2 Process of making a corrugated net material
CA2308517A1 Bath glove