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MOTOYAMA ENG WORKS

Overview
  • Total Patents
    75
About

MOTOYAMA ENG WORKS has a total of 75 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets mechanical elements, machines and surface technology and coating are ADAMS ARMATUREN APP, SISTAG AG ABSPERRTECHNIK and KITAMURA VALVE MFG CO LTD.

Patent filings in countries

World map showing MOTOYAMA ENG WORKSs patent filings in countries

Patent filings per year

Chart showing MOTOYAMA ENG WORKSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Uchisawa Osamu 38
#2 Sugano Yoichi 28
#3 Omi Tadahiro 13
#4 Meguro Toshikatsu 7
#5 Yamazaki Shigekazu 6
#6 Yamashima Atsushi 6
#7 Kanno Yohichi 5
#8 Hatayama Tadahiro 5
#9 Nishimura Koichi 5
#10 Kiyono Fumiyuki 5

Latest patents

Publication Filing date Title
JP2000088134A Valve device having safety function
JPH11101352A Flow control valve
JPH11166665A Vacuum valve and control method therefor
JPH11118044A Eccentric type rotary valve
JPH1122856A Cage for adjusting valve adjusting valve and piping silencer
JPH10205628A Diaphragm valve
JPH1038195A Trap device
JPH109419A Cylinder cabinet check valve
JPH09273480A Evacuating device
JPH0979201A Water hammer preventing device
JPH0960763A Cage for regulating valve, regulating valve, and diffuser
JPH08315769A Tiniest trace of impurity measuring method
JPH08312812A Diaphragm valve
JPH08270893A Trap device
JPH08254283A Valve
JPH08247336A Regulating valve and piping
JPH08189574A Valve
JPH0864490A Flow rate controller for gas system
JPH08159329A Gas pressure operated valve
JPH0893578A Catalytic reaction device for automobile fuel