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HAYAKAWA TETSUROU

Overview
  • Total Patents
    15
About

HAYAKAWA TETSUROU has a total of 15 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 engines, pumps and turbines and environmental technology are AITI G, SUGIMOTO TAKESHIGE and OLSSON JOHN.

Patent filings in countries

World map showing HAYAKAWA TETSUROUs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing HAYAKAWA TETSUROUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hayakawa Tetsurou 15
#2 Hayakawa Noboru 5

Latest patents

Publication Filing date Title
JPS58135351A Improving device for combustion condition of diesel engine
JPS58131351A Apparatus for improving conditions of combustion in internal-combustion engine having electronic fuel injection system
JPS58128455A Combustion condition improving device in internal- combustion engine equipped with carburettor
JPS5898653A Apparatus for improving combustion of internal combustion engine having carburetor
JPS5896162A Apparatus for improving combustion condition in internal-combustion engine with electronic system fuel injector
JPS5818546A Device for improving combustion condition in internal- combustion engine
JPS57126524A Method and device for improving combustion conditions of internal combustion engine
JPS5753216A Filtering method
JPS5647296A Filter press
JPS5645709A Continuous type electroosmotic dehydrator
JPS528569A Filter
JPS527876A Filter process
JPS51140886A A filtering apparatus
JPS51140878A A filtering process
JPS51140260A Freezer with melter