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TOYO ELEMENT KOGYO

Overview
  • Total Patents
    71
About

TOYO ELEMENT KOGYO has a total of 71 patent applications. Its first patent ever was published in 1979. It filed its patents most often in Japan, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets chemical engineering, engines, pumps and turbines and environmental technology are DONALDSON KOMPANI INK, HAN SHUO and CROSLAND FILTERS LTD.

Patent filings per year

Chart showing TOYO ELEMENT KOGYOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Inoue Kiyoshi 20
#2 Yanamoto Shinichi 14
#3 Koganemaru Kimitaka 13
#4 Kimura Mikio 8
#5 Kuboyama Takayoshi 6
#6 Kawai Koji 6
#7 Hasegawa Naoharu 6
#8 Suzuki Makoto 5
#9 Hasegawa Naoji 4
#10 Kawawa Isamu 4

Latest patents

Publication Filing date Title
JP2013000689A Inner tube for filter element and filter element
JP2013000688A Inner tube for filter element and filter element
JP2004050039A Supports for filter elements and filter element
JP2003225522A Method for regenerating air filter element
JP2003190732A Filter element
JP2003126612A Oil filter
JP2003126613A Oil filter
JP2002248310A Filter element
JP2002166118A Air filter element and method for manufacturing the same
EP1371408A1 Energy saving air cleaner
JP2002159818A Filter element
JP2002136822A Air filter
JP2002011318A Internal structure of air filter
JP2001300211A Relief valve for filter apparatus
JP2001286715A Filter element and filter apparatus
JP2001269811A Dismantling device for filter element
JP2001259419A Catalytic body
JP2001246204A Reinforcing structure of filter element
JP2001219075A Catalytic body
JP2001179027A Air filter element and method of manufacturing the same