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CHOSEN CO LTD

Overview
  • Total Patents
    84
  • GoodIP Patent Rank
    47,881
  • Filing trend
    ⇩ 57.0%
About

CHOSEN CO LTD has a total of 84 patent applications. It decreased the IP activity by 57.0%. Its first patent ever was published in 2004. It filed its patents most often in Taiwan, China and United States. Its main competitors in its focus markets transport, mechanical elements and machines are FOSS WORLDWIDE INC, TRINITY WHEEL CORP and KELLER CHARLES G.

Patent filings in countries

World map showing CHOSEN CO LTDs patent filings in countries
# Country Total Patents
#1 Taiwan 24
#2 China 15
#3 United States 15
#4 EPO (European Patent Office) 11
#5 Japan 9
#6 Germany 7
#7 Switzerland 3

Patent filings per year

Chart showing CHOSEN CO LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Mechanical elements
#3 Machines

Top inventors

# Name Total Patents
#1 Chen Ching-Shu 36
#2 Chen Ching Shu 11
#3 Chen Qing-Shu 7
#4 Qingshu Chen 7
#5 Ching-Shu Chen 5
#6 Chen Shing Shu 4
#7 Chen Qingshu 3
#8 Chen Wen-Sheng 1
#9 Chen Ching-Su 1
#10 Liao Wu-Hsiung 1

Latest patents

Publication Filing date Title
TWI717288B Bicycle hub structure
DE102018122179A1 Hub assembly for bicycles
CN110816157A Bicycle hub structure
TW202000490A Bicycle hub structure that can be used with a driving toothed plate mounted to either a right side or a left side of a bicycle pedal crank
DE102017128624B3 Noiseless hub arrangement
TWI638729B Silent hub structure including a hub base, a gear plate base and a one-way bearing set mounted between the hub base and the gear plate base
US2019084349A1 Reinforcement for a hub ratchet base
DE102017120113B3 Structurally reinforced locking mechanism for a bicycle hub
CN109263405A Hub ratchet seat reinforced structure
TWI635970B Hub ratchet base reinforcement structure capable of ensuring that ratchet base is used in a normal state and further extending service life of the ratchet ring base
DE102017106383A1 Hub drive device
CH712024A2 Ratchet device for a bicycle hub.
DE102016100266A1 Structure of a ratchet wheel for a bicycle hub
JP2017121827A Assembly structure for hub ratchet
DE102015122918A1 Ratchet arrangement for a bicycle hub
CH711971A2 Ratchet wheel arrangement for a bicycle hub.
CN106895091A Hub ratchet wheel combining structure
JP2017110793A Hub ratchet structure
CN106812828A Hub ratchet-wheel structure
TW201716258A Tooth-type hub ratchet combination structure