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EIWA CHEM IND

Overview
  • Total Patents
    58
About

EIWA CHEM IND has a total of 58 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets macromolecular chemistry and polymers, machines and audio-visual technology are MORTON INTERNAT, CHAN KWOK PONG and XINGDA HONGYE P C B COMPANY OF GUANGDONG LTD.

Patent filings in countries

World map showing EIWA CHEM INDs patent filings in countries
# Country Total Patents
#1 Japan 53
#2 United States 2
#3 Germany 1
#4 United Kingdom 1
#5 Republic of Korea 1

Patent filings per year

Chart showing EIWA CHEM INDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mayama Norikazu 16
#2 Ichikawa Kenji 8
#3 Motokawa Hiroshi 6
#4 Hayashi Teruo 6
#5 Murakami Shinji 6
#6 Okuse Kazuo 6
#7 Kato Katsushige 6
#8 Tsuji Kazuharu 6
#9 Yoshikawa Akihiro 5
#10 Yamawaki Yoshimitsu 5

Latest patents

Publication Filing date Title
JP2013032427A Gas generating agent for producing foam
JP2010265421A Microcapsule
JP2010254775A Foaming auxiliary composition
JP2009067898A Thermally expandable microsphere and producing method for it
JP2007332338A Foamable resin composition
JP2007262044A Method for producing p, p'-oxybis(benzenesulfonyl hydrazide)
JP2004168877A Flame-retardant thermosetting resin composition
JP2004002649A Method for producing thermosetting resin foam
JP2004027150A Finely pulverized sodium percarbonate composition and method for producing the same
JP2003147114A Method for manufacturing polyolefin open and close cells-containing foam
JP2003116981A Expandable resin composition for bone regeneration scaffolding material and foam scaffolding material
JP2003119308A Composition for producing polylactic acid-based resin open-cell foam and method for producing foam
JP2002080448A Method for purifying hydrazodicarbonamide
JP2000264993A Foaming agent composition and production of thermoplastic resin foam
JPH11290871A Treatment of waste solution
US5656793A Gas generator compositions
JPH0748557A Foaming agent composition and production of polyolefin resin foam by using the same
JPH0551477A Azodicarbonamide-based foaming agent composition
JPH05339414A Azodicarbonamide foaming agent composition
JPH059322A Foaming agent composition