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CROWN SANGYO KK

Overview
  • Total Patents
    12
About

CROWN SANGYO KK has a total of 12 patent applications. Its first patent ever was published in 1966. It filed its patents most often in United States, Brazil and Germany. Its main competitors in its focus markets thermal processes and machines are GENOUD & CIE ETS, PRESTO LIGHTERS LTD and DUNHILL LIGHTERS LTD.

Patent filings in countries

World map showing CROWN SANGYO KKs patent filings in countries
# Country Total Patents
#1 United States 4
#2 Brazil 3
#3 Germany 2
#4 United Kingdom 2
#5 France 1

Patent filings per year

Chart showing CROWN SANGYO KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Hattori Tadamichi 5
#2 Yasuhisa Ebine 3
#3 Nishida Shingo 2
#4 Blake Martin 1
#5 Shuto Kiichiro 1
#6 Ebine Yasuhisa 1

Latest patents

Publication Filing date Title
US3533718A Lighter
US3540823A Piezoelectric spark generator
US3439995A Spark ignited gas burner
DE1632665A1 Liquid gas lighter
GB1091838A Gas-fuelled lighter
US3464442A Liquefied gas lighter