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CHEN CHANG-TZU

Overview
  • Total Patents
    14
About

CHEN CHANG-TZU has a total of 14 patent applications. Its first patent ever was published in 2004. It filed its patents most often in EPO (European Patent Office), United States and Brazil. Its main competitors in its focus markets medical technology are MEDICAL INJECTION DEVICES INC, TORAY MEDICAL KK and ANAESTHESIA RES LTD.

Patent filings in countries

World map showing CHEN CHANG-TZUs patent filings in countries

Patent filings per year

Chart showing CHEN CHANG-TZUs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Medical technology

Focus technologies

# Technology
#1 Syringes

Top inventors

# Name Total Patents
#1 Chen Chang-Tzu 14
#2 Ting Chin-Ping 4
#3 Lin Chung-Kuei 3

Latest patents

Publication Filing date Title
US2007149923A1 Disposable safety injection apparatus
EP1797921A1 Safety hypodermic syringe
EP1813301A1 Safety hypodermic syringe
US2007135764A1 Safety hypodermic syringe
EP1726321A2 Safety hypodermic syringe
US2006264826A1 Self-destructive safety syringe
US2006111678A1 Syringe protective structure
EP1655047A1 Protective structure for syringe
DE102004049556A1 Syringe safety device for injections, comprises a needle protector and a needle holder whose flexible ribs, after an injection, are locked in the stop groove in the rear zone of the needle protector
CA2467136A1 Syringe protective structure
EP1593404A1 Syringe protective structure