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CHANG HSI-CHING

Overview
  • Total Patents
    19
About

CHANG HSI-CHING has a total of 19 patent applications. Its first patent ever was published in 2005. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets textiles and paper, machines and environmental technology are Opal Packaging Australia Pty Ltd, ENSO OY and SCA FOREST PROD AB.

Patent filings in countries

World map showing CHANG HSI-CHINGs patent filings in countries
# Country Total Patents
#1 United States 15
#2 United Kingdom 2
#3 Canada 1
#4 Sweden 1

Patent filings per year

Chart showing CHANG HSI-CHINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Hsi-Ching 19

Latest patents

Publication Filing date Title
US2010065622A1 Structural improvement for cup container
US2010075076A1 Spread structure of a multiple layers container
US2009102087A1 Method for manufacturing biodegradable paperboard for paper tableware
US2008131632A1 Environmental protection paper material structure used for food containers and manufacturing method thereof
US2007261808A1 Method for making bio-degradable paper board
US2007264442A1 Method for making bio-degradable paper board
US2007261809A1 Method for making bio-degradable paper board
GB0618722D0 Biodegradable paper board
US2006246307A1 Bio-degradable paper board