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HIROKAWA TADAO

Overview
  • Total Patents
    18
About

HIROKAWA TADAO has a total of 18 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan. Its main competitors in its focus markets engines, pumps and turbines are LUFTSCHIFFBAU SCHUETTE LANZ, HART WILLIAM B and FENG GAO.

Patent filings in countries

World map showing HIROKAWA TADAOs patent filings in countries
# Country Total Patents
#1 Japan 18

Patent filings per year

Chart showing HIROKAWA TADAOs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Cooling of machines

Top inventors

# Name Total Patents
#1 Hirokawa Tadao 18
#2 Morimoto Yoshiyasu 1
#3 Araida Yoshio 1
#4 Matsubara Koji 1
#5 Miyake Shinichi 1
#6 Ando Akira 1

Latest patents

Publication Filing date Title
JP2013019405A Pressure fluid energy converting device of jet pump
JP2007232700A Dial gauge-type device for displaying remaining quantity
JP2007014448A Sole training apparatus
JP2007014468A Sole training utensil
JP2005240528A Device for conveying earth and sand and the like to high location
JP2005240529A Mud dredging apparatus
JP2005201021A Mud dredging method and dredging device
JP2005201613A Burner for liquid fuel
JP2005201429A Pressure relief device for pressure tank
JP2005118486A Finger pushing pressure comparator
JP2004333463A Dial gauge-type device for displaying remaining quantity
JP2001293479A Legionella pneumophila suppressing device
JPH11268585A Back mirror device for traction vehicle
JPH04327004A Method to removing minute iron content in hydraulic circuit
JPH04153520A Device for magnetically treating cooling water in internal combustion engine cooling device of automobile
JPH03186398A Scale attachment protection device of hot water pipe in spa water pumping-up system
JPH0255864A Fuel magnetic processor
JPH0219642A Fuel magnetic processor