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KABUSHIKI KAISYA O DEN

Overview
  • Total Patents
    24
About

KABUSHIKI KAISYA O DEN has a total of 24 patent applications. Its first patent ever was published in 1996. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, chemical engineering and machines are SHANGHAI BIXIUFU ENTERPRISE MANAGEMENT CO LTD, PENNEY GAYLORD W and EURUS AIRTECH AB.

Patent filings in countries

World map showing KABUSHIKI KAISYA O DENs patent filings in countries

Patent filings per year

Chart showing KABUSHIKI KAISYA O DENs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nojima Kouzaburou 20
#2 Nojima Gojabro 1
#3 Nojima Kouzaborou 1
#4 Kouzaburou Nojima 1
#5 Nokima Kouzaburou 1

Latest patents

Publication Filing date Title
BR9802819A Electric dust collector and manufacturing method.