Learn more

KYOHARA MASAKO

Overview
  • Total Patents
    150
About

KYOHARA MASAKO has a total of 150 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets mechanical elements, machines and electrical machinery and energy are TARGET ROCK CORP, BEY ROGER and CLARKSON CO.

Patent filings in countries

World map showing KYOHARA MASAKOs patent filings in countries

Patent filings per year

Chart showing KYOHARA MASAKOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kojima Tetsuya 28
#2 Yamaji Michio 24
#3 Nakazawa Masahiko 23
#4 Itoi Shigeru 20
#5 Yoshikawa Kazuhiro 19
#6 Sonoda Yoshiteru 17
#7 Mese Hisayoshi 17
#8 Matsumoto Hisayoshi 15
#9 Sato Junji 14
#10 Akamoto Hisatoshi 13

Latest patents

Publication Filing date Title
JPH09178019A Body for flow divider
JPH08170742A Fluid controller
JPH07190204A Fluid controller
JPH0887696A Traffic signal
JPH07224957A Fluid controller
JPH07213947A Electrostatic filtration equipment
JPH07208623A Fluid controller with high sealing performance
JPH07190214A Flow dividing valve
JPH07174259A Control valve for mass flow controller
JPH07174232A Sealing method for metal sealing material
JPH07167314A Fluid controller having heat resistance and durability
JPH07151242A Control valve
JPH07139648A Controller
JPH07127775A Pipe connecting device
JPH07119844A Block valve with tank chamber
JPH07116759A Manufacture of spiral heat transfer tube
JPH07122498A Gas supply method to chamber
JPH0783788A Automatic inspection device of fluid controller and connection holding mechanism used therefor
JPH0783338A Controller
JPH0755028A Fluid controller