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TGK CO LTD

Overview
  • Total Patents
    1,453
  • GoodIP Patent Rank
    4,455
  • Filing trend
    ⇩ 6.0%
About

TGK CO LTD has a total of 1,453 patent applications. It decreased the IP activity by 6.0%. Its first patent ever was published in 1985. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets thermal processes, mechanical elements and engines, pumps and turbines are TGK KK, FOURNESS DEV CORP LTD and ANGELANTONI TEST TECH S R L IN SHORT ATT S R L.

Patent filings in countries

World map showing TGK CO LTDs patent filings in countries

Patent filings per year

Chart showing TGK CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hirota Hisatoshi 735
#2 Saeki Shinji 157
#3 Tonegawa Masaaki 112
#4 Kaneko Takeshi 82
#5 Tsugawa Tokumi 78
#6 Kajiwara Morimitsu 74
#7 Sendo Isao 73
#8 Matsumoto Michio 62
#9 Koyama Katsumi 60
#10 Yuasa Tomohiro 53

Latest patents

Publication Filing date Title
JP2021001687A Motor-operated valve
EP3783777A1 Motor operated valve
CN111561571A Electric valve
EP3696454A1 Motor operated valve
US2020263800A1 Motor operated valve
JP2021010202A Stator unit, motor-operated valve and manufacturing method of stator unit
JP2020205726A Stator unit and motor-operated valve
JP2020204344A Electric valve
JP2020197240A Control valve
JP2020180687A Motor-operated valve
JP2020180686A Motor-operated valve
JP2020177938A Control valve, coil unit, and manufacturing method thereof
JP2020172863A Actuator and tactile sensation application device
JP2020153489A Motor-operated valve
JP2020153488A Motor-operated valve
JP2020148555A Detection unit, sensor, and flow restricting member for sensor
JP2020133678A Motor-operated valve
JP2020133413A Controller and tactile sensation imparting device
JP2020112215A Check valve and composite valve equipped with check valve
JP2020101242A Control valve