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YANG CHENG-PU

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    194,408
  • Filing trend
    ⇩ 100.0%
About

YANG CHENG-PU has a total of 20 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2009. It filed its patents most often in Taiwan and United States. Its main competitors in its focus markets machine tools, medical technology and surface technology and coating are BRITOOL LTD, KOKEN TOOL and TOP KOGYO KK.

Patent filings in countries

World map showing YANG CHENG-PUs patent filings in countries
# Country Total Patents
#1 Taiwan 11
#2 United States 9

Patent filings per year

Chart showing YANG CHENG-PUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yang Cheng-Pu 20
#2 Hong Yu-Ting 3
#3 Hou Sen-Yuan 2
#4 Zhang Qiu-Mai 1
#5 Chang Chiou-Mai 1

Latest patents

Publication Filing date Title
US2019134788A1 Ratchet wrench
US2016229040A1 Wrench
US2015352697A1 Ratchet wrench
TW201531380A Ratchet wrench structure
TW201529243A Replaceable wrench structure
US2015122087A1 Wrench
TW201436952A Wrench structure
US2014216211A1 Ratchet and method for making the same
TW201416179A Wrench structure
TW201412474A Replaceable spanner structure
TW201400244A Ratchet wrench structure
TW201345663A Ratchet manufacturing method
TW201343335A Ratchet structure
TW201325824A Ratchet wrench structure
US2013125713A1 Ratchet with coated layer and the method for making the same
US2012000323A1 Single direction mechanism of a ratchet wrench
TW201249605A Ratchet structure
US2012186402A1 Rachet wrench
TW201217106A having better rotational torque and the efficacy of smooth tooth release
US2011049391A1 Storage Container Having Sterilizing Function by Using Ultraviolet Rays