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YAMAKAWA SANGYO KK

Overview
  • Total Patents
    45
  • GoodIP Patent Rank
    187,770
  • Filing trend
    ⇩ 100.0%
About

YAMAKAWA SANGYO KK has a total of 45 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1979. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy and environmental technology are HARBORCHEM INC, LUENGEN GMBH & CO KG AS and HUTTENES ALBERTUS CHEMISCHE WERKE GMBH.

Patent filings in countries

World map showing YAMAKAWA SANGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 45

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Isaki Hiroyuki 18
#2 Ohashi Akira 16
#3 Hamada Shigeyuki 9
#4 Handa Katsuro 9
#5 Miyazaki Kouji 8
#6 Kanemoto Norihiko 7
#7 Tanaka Masanori 6
#8 Ichimaru Takanori 6
#9 Ogusu Tatsuya 5
#10 Oohashi Akira 5

Latest patents

Publication Filing date Title
JP2019107676A Binder-containing sand for mold, raw material sand for producing the same, and method for producing mold and raw material sand
JP2018161660A Binder-containing sand for core production having high fillability
JP2017077571A Casting binder-containing sand and method for producing the same
JP2016150369A Artificial sand and binder-containing sand for template
JP2016150368A Manufacturing method of binder-containing sand for template
JP2015186814A Alumina group sliding nozzle charging sand
JP2013237012A Kneader
JP2010190544A Powder heating device
JP2006068815A Method for recycling waste sand of green sand mold, and aggregate for mold
JP2006334612A Aggregate for mold
JP2006297426A Plugging material for slidable opening/closing device of ladle
JP2005088022A Plugging-material for slidable opening/closing device of ladle
JP2004099364A Foamed ceramic shaped article and its producing process
JP2003251434A Sand for mold and production method thereof
JP2002219549A Aggregate for forming acid self-hardening mold
JP2001071094A Filler for lost foam pattern mold
JP2000317625A Plugging material for nozzle for steelmaking and production thereof
JP2000102798A Treatment of wastewater
JPH11188454A Mold sand
JPH1058126A Packing material for sliding nozzle