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IWAO JIKI KOGYO

Overview
  • Total Patents
    75
About

IWAO JIKI KOGYO has a total of 75 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United Kingdom and Republic of Korea. Its main competitors in its focus markets environmental technology, chemical engineering and machines are KANKYO SYSTEM KK, OKREGOWA SPOLDZIELNIA MLECZARS and HANSHIN DORYOKU KIKAI.

Patent filings in countries

World map showing IWAO JIKI KOGYOs patent filings in countries
# Country Total Patents
#1 Japan 69
#2 United Kingdom 2
#3 Republic of Korea 2
#4 Germany 1
#5 United States 1

Patent filings per year

Chart showing IWAO JIKI KOGYOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ogata Katsuya 8
#2 Chijiiwa Kiyohiko 6
#3 Muronaga Takehisa 6
#4 Ishimaru Hirohisa 6
#5 Inuzuka Hideo 5
#6 Kirihara Setsuo 5
#7 Uchida Masaaki 4
#8 Fujiwara Shutaro 4
#9 Yamaguchi Masaharu 4
#10 Fujii Takaharu 4

Latest patents

Publication Filing date Title
KR20060076482A Apparatus for reducing sludge and drainage treating system provided with the same
JP2005177584A Ozone diffuser for water purification treatment
JP2005146243A Resin composite porous material
JP2005125297A Sludge reducing apparatus and sewage treating system equipped with the sludge reducing apparatus
JP2004244297A Method of manufacturing porous ceramic sheet
JP2003267776A METHOD FOR MANUFACTURING beta-SPODUMENE HONEYCOMB HEAT RESERVOIR
JP2003210981A Silica carrier and method for manufacturing the same
JP2002361619A Extrusion molding apparatus
JP2001263973A Honeycomb-like heat storage body
JPH10120459A Production of sintered compact of sludge-burned ash
JPH07242473A Ceramics porous body
JPH0812410A Production of pottery for outdoor decoration
JPH0718822A Tile unit
JPH079428A Dovetail foot tile and production thereof
JPH069261A Production of ceramic ware utilizing silicon sludge
JPH0640762A Production of alumina sintered body
JPH04367576A Production of water-permeable tile
JPH04193780A Production of carrier carrying micro-organisms
JPH0416570A Production of alkali-proof diffusing material
JPH03295877A Method for decorating large-sized pottery