Learn more

CHUNG CHWAN ENTPR CO LTD

Overview
  • Total Patents
    104
  • GoodIP Patent Rank
    23,839
  • Filing trend
    ⇩ 16.0%
About

CHUNG CHWAN ENTPR CO LTD has a total of 104 patent applications. It decreased the IP activity by 16.0%. Its first patent ever was published in 1999. It filed its patents most often in United States, China and United Kingdom. Its main competitors in its focus markets consumer goods, machines and materials and metallurgy are ALFATEX NV, JOSEF HORA and ABA HORTNAGL GMBH.

Patent filings in countries

World map showing CHUNG CHWAN ENTPR CO LTDs patent filings in countries

Patent filings per year

Chart showing CHUNG CHWAN ENTPR CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lin Yu-Pau 75
#2 Lin Yu Pau 13
#3 Yu-Pau Lin 6
#4 Pao Lin Yu 3
#5 Lin Yubao 3
#6 Tang Ge Chian 3
#7 Tang Ge Qian 1
#8 Tang Ge-Chian 1
#9 Yu Pau Lin 1
#10 Ge-Chian Tang 1

Latest patents

Publication Filing date Title
US2020205529A1 Method of manufacturing a cap structure
CN110063550A Invisible zipper head composite structure
CN110063549A Invisible zipper head composite structure
US2018070685A1 Zip slider structure
US2017172263A1 Zipper head assembly structure and sliding member thereof
US2018126453A1 Injection system applied to a die casting machine
US2018008013A1 Zipper head assembly structure and sliding element thereof
US2017000221A1 Zip slider structure
US2017035154A1 Invisible zipper head assembly structure for increasing positioning effect and sliding member thereof
US2016157566A1 Cap structure having a plurality of breach hole features and zipper head assembly structure using the same
TW201607451A Zipper head assembly structure having a replaceable pull tab
TWI517801B Invisible zipper head assembly structure for increasing positioning effect and sliding member thereof
TW201613504A Zipper head assembly structure for increasing frictional resistance and sliding member thereof
TW201444492A Cap structure having an inner surface concave feature and zipper head assembly structure
TW201440923A A die-casting machine and a injection molding method
CN103478993A Slider structure with puller replacing function, and puller replacing method thereof
TW201347696A Zipper head and pull tab replacement method
GB201117565D0 Zipper head structure
GB201117466D0 Zipper head structure
GB201102923D0 Crown structure of slide fastener head