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KEIWA KOGYO KK

Overview
  • Total Patents
    19
  • GoodIP Patent Rank
    208,226
About

KEIWA KOGYO KK has a total of 19 patent applications. Its first patent ever was published in 1988. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, materials and metallurgy and chemical engineering are NET KK, DALNEVOSTOCHNYJ NII STR and MIZUHO IND.

Patent filings in countries

World map showing KEIWA KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 19

Patent filings per year

Chart showing KEIWA KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ota Nobutaka 9
#2 Sugai Hiroshi 5
#3 Teshigawara Kazunori 5
#4 Sasagawa Keiichi 3
#5 Sasagawa Mitsuru 3
#6 Horikiri Yoshio 2
#7 Yumura Isao 2
#8 Tochiyama Hiroyuki 2
#9 Endo Kazumasa 1
#10 Suzuki Masanori 1

Latest patents

Publication Filing date Title
JP2017088457A Aged ash granulation product, and subbase course material or embankment material based on this granulation product
JP2017039106A Production device of suspension and production method of the same
JP2015137209A Reusable granulated product from woody waste
JP2015094608A Method of manufacturing granulation/regeneration crushed stone by reducing radioactivity from radioactive waste
JP2014196205A Mixed raw material for producing recyclable granulation object from waste
JP2014176793A Method for producing reusable granulated material from gypsum board waste material
JP2014177795A Roadbed material for asphalt pavement including granulation object of gypsum board waste
JP2013002440A Buoyancy power generation apparatus
JP2010249121A Pneumatic motor
JP2008137842A Method of manufacturing artificial aggregate using construction waste
JP2004360886A Terminal bolt for roller chain
JP2001248081A Reflection rope for boundary line of motor pool, etc.
JP2001123693A Parking device for bicycle
JPH11309703A Wood cylinder fabricating device
JPH07301209A Brake device for pneumatic pressure cylinder
JPH07301206A Pressure operated check valve
JPH06343885A Pulverizer
JPH06347005A Combustion device for powder
JPH02186175A Pneumatic pressure sequence valve