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T & K CO LTD

Overview
  • Total Patents
    11
About

T & K CO LTD has a total of 11 patent applications. Its first patent ever was published in 1981. It filed its patents most often in WIPO (World Intellectual Property Organization), United States and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, electrical machinery and energy and thermal processes are WUHAN RUIJIETE MAT CO LTD, SLOOP STEVEN E and GUANGZHOU GREAT POWER ENERGY & TECHNOLOGY CO LTD.

Patent filings in countries

World map showing T & K CO LTDs patent filings in countries

Patent filings per year

Chart showing T & K CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kondo Toshihiko 8
#2 Sugiyama Hideki 3
#3 Suzuki Toshiaki 2
#4 Komiya Kenji 1

Latest patents

Publication Filing date Title
WO2012056750A1 Combustion method and combustion device
WO2012056751A1 Water electrolysis device and fuel supply apparatus provided with water electrolysis device
WO0156106A1 Method of regenerating lead storage batteries
US4377916A Chain-like toy of triangular hollow prisms