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KO WEN-SHAN

Overview
  • Total Patents
    14
About

KO WEN-SHAN has a total of 14 patent applications. Its first patent ever was published in 2002. It filed its patents most often in United States, EPO (European Patent Office) and United Kingdom. Its main competitors in its focus markets furniture and games are LAFER PERCIVAL, PEETAA RUTSUSHIYU and SUNG YONG CO LTD.

Patent filings in countries

World map showing KO WEN-SHANs patent filings in countries
# Country Total Patents
#1 United States 8
#2 EPO (European Patent Office) 3
#3 United Kingdom 2
#4 Australia 1

Patent filings per year

Chart showing KO WEN-SHANs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Furniture and games

Focus technologies

# Technology
#1 Chairs and beds
#2 Office furniture

Top inventors

# Name Total Patents
#1 Ko Wen-Shan 14

Latest patents

Publication Filing date Title
US2013069414A1 Support cushion for use as chair backrest or chair seat
EP2572605A1 Seat guiding apparatus for chair
US2012274112A1 Chair with pre-stressing structure
EP2389840A1 Chair adjustment structure
US2011291452A1 Chair adjustment structure
US2011018328A1 Bearing mechanism with integrated flexible bearing surface
US2011017107A1 Folding table
US2011018322A1 Chair with pre-stressing structure
US2010282135A1 Assembled table carriage
GB0221461D0 Shelf with various storage devices for a rack
GB0221462D0 Adjustable rack