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CHEN CHENG-KUN

Overview
  • Total Patents
    12
About

CHEN CHENG-KUN has a total of 12 patent applications. Its first patent ever was published in 2003. It filed its patents most often in United States, Taiwan and Australia. Its main competitors in its focus markets machine tools and medical technology are SPECIALTY TOOLS, SHANGHAI EMATE IND CO LTD and KING TONY TOOLS CO LTD.

Patent filings in countries

World map showing CHEN CHENG-KUNs patent filings in countries

Patent filings per year

Chart showing CHEN CHENG-KUNs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Chen Cheng-Kun 12

Latest patents

Publication Filing date Title
US2014318325A1 Structure of a ratchet wrench
US2012132037A1 One-way ratchet wheel element
US7380480B1 Safety needle device for tattooing body and eyebrows
TWI262774B Safety needle set for eyebrow/body tattooing machine
TW200637511A Improved structure of a needle clamp for tattooing eyebrow and tattooing body
US2005284784A1 Device for assembling groups of eyebrow beautifying needles and method therefor
TW200601996A Improved tattooing device
US2004143275A1 Transmission system of eyebrow-beautifying device
TW200511959A Improved structure of tattooing needle and eyebrow lining needle