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ITSUSHIKI NAOJI

Overview
  • Total Patents
    48
About

ITSUSHIKI NAOJI has a total of 48 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are UNITED STIRLING AB & CO, ENERLYT POTSDAM GMBH and MOZHAJSKOGO.

Patent filings in countries

World map showing ITSUSHIKI NAOJIs patent filings in countries
# Country Total Patents
#1 Japan 48

Patent filings per year

Chart showing ITSUSHIKI NAOJIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Itsushiki Naoji 48
#2 Itsushiki Masao 2
#3 Katouno Riyouichi 1
#4 Motosawa Yasuki 1
#5 Itsushiki Masata 1
#6 Yoshikawa Katsuji 1
#7 Nakazato Takashi 1
#8 Terada Fusao 1
#9 Myauchi Sunao 1
#10 Morikawa Hirohisa 1

Latest patents

Publication Filing date Title
JPS60235950A Solar heat collecting device by permeable thin film
JPS6040764A Two-cylinder stirling thermal machine with valve
JPS6037458A Piston ring with flexible backplate
JPS6036761A Stirling heat engine equipped with valve
JPS58221797A Fin-propelled ship
JPS58221069A Endless piston ring
JPS58220983A Fluid machine using bellows
JPS58158499A Heat exchanger
JPS5867948A Piston ring for stirling engine
JPS5826962A Solar pond having floating vacuum glass tube
JPS5825556A Starring engine with bayonet heater
JPS5825555A Eccentric crank type starring engine
JPS5825507A Expander with air-tight valve having flexible film seal
JPS5793672A Multiple charging intermittent fuel injection internal combustion stirling engine
JPS5728846A Four-cycle internal combustion stirling engine
JPS5728848A Internal laminar combustion stirling engine
JPS5728847A Internal combustion stirling engine with inflammable gas introduced under pressure
JPS56164278A Axial sealing device for rolling seal ring
JPS56124652A Internal combustion stirling engine with heat-insulating walls
JPS5652547A Internal combustion stirling engine