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EFU EMU BARUBU SEISAKUSHIYO KK

Overview
  • Total Patents
    13
About

EFU EMU BARUBU SEISAKUSHIYO KK has a total of 13 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets civil engineering are COLIVIER PTY LTD, MIAO WANG and RHODES THOMAS GARFORTH.

Patent filings in countries

World map showing EFU EMU BARUBU SEISAKUSHIYO KKs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing EFU EMU BARUBU SEISAKUSHIYO KKs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering

Focus technologies

# Technology
#1 Water-closets with flushing devices

Top inventors

# Name Total Patents
#1 Matsunaga Shiyouichi 13

Latest patents

Publication Filing date Title
JPS5484622A Pressure reducing valve
JPS5479829A Opening and closing valve
JPS53114527A Water level controlling device for use in acceptable water tank
JPS5376427A Check valve device
JPS5341041A Automatic flushing device
JPS52126934A Automatic flushing device
JPS52124224A Automatic exhaust valve
JPS52124223A Vacuum breaker
JPS5272930A Electromagnetic opening and closing valve equipment
JPS5267022A Electromagnetic opening and closing equipment
JPS5232127A Valve equipment
JPS51150725A Emergent opening and closing valve
JPS51145021A Emergent opening and closing valve