Learn more

CHEN KUO CHANG

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    195,459
  • Filing trend
    ⇩ 66.0%
About

CHEN KUO CHANG has a total of 12 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 1991. It filed its patents most often in United States, Germany and United Kingdom. Its main competitors in its focus markets consumer goods, furniture and games and optics are CHEN KUO-CHANG, LANGE WILLIAM L and IWANUMA HISAAKI.

Patent filings in countries

World map showing CHEN KUO CHANGs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Germany 1
#3 United Kingdom 1
#4 Italy 1

Patent filings per year

Chart showing CHEN KUO CHANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chen Kuo Chang 6
#2 Chen Kuo-Chang 6

Latest patents

Publication Filing date Title
US10199020B1 Drum practice apparatus
US2018240445A1 Drum hoop and a drum having the same
US2018204548A1 Fastening device, drum hoop fastening device and drum having the same
US2017105568A1 Kettle having capability of preventing overflow of boiled water
US7956269B1 Pedal assembly for percussion instrument
US7795520B1 Pedal system for a percussion instrument
US7928305B1 Pedal system for a percussion instrument
US2011120287A1 Positioning device for a hoop of a drum
GB9120387D0 Process for forming a figure on a product of stainless steel
DE4122156A1 Method of making a figure in a stainless steel blank
ITFI910155D0 Process for forming a picture on a stainless steel product.