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TOKYO KOSO KK

Overview
  • Total Patents
    22
About

TOKYO KOSO KK has a total of 22 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets mechanical elements, machines and engines, pumps and turbines are RICHTER ALBERT ARI ARMATUREN, B & S METALPRAECIS GMBH and HAMMEL DAHL COMPANY.

Patent filings in countries

World map showing TOKYO KOSO KKs patent filings in countries
# Country Total Patents
#1 Japan 18
#2 United States 3
#3 Canada 1

Patent filings per year

Chart showing TOKYO KOSO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jinnai Teiji 12
#2 Okayasu Takeshi 7
#3 Zinnai Sadazi 4
#4 Yaginuma Kunio 3
#5 Katayama Masaaki 2
#6 Yokoyama Saburou 1
#7 Kuroki Shuzo 1
#8 Iketani Takashi 1
#9 Kuroki Shiyuuzou 1
#10 Akahori Akihiro 1

Latest patents

Publication Filing date Title
JP2005090555A Pressure reducing control valve
JP2001165085A Magnet pump
JPH11248033A High-pressure-reducing regulating valve
JPH11248032A High-pressure-reducing regulating valve
JPH10153275A High pressure reducing and adjusting valve
JPS593200A Vertical-shaft magnetically-coupled pump
JPS5854298A Attenuator for high energy
CA1122583A Valve sealing device
JPS55107164A Seal device for spherical valve
JPS55103164A Safe fire seal of valve
JPS55103163A Metal seal of valve
JPS55100473A Sealing apparatus of ball valve
JPS55100472A Sealing apparatus of valve
JPS5557772A Self-distribution valve
JPS54108931A Seal device of valve
JPS5471242A Rotary type partition system spring return device
JPS5430534A Plastic ball valve
JPS538873A Continuous filtration system