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OKUTAMA KOGYO KK

Overview
  • Total Patents
    79
About

OKUTAMA KOGYO KK has a total of 79 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, Australia and EPO (European Patent Office). Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and environmental technology are SHIN NIHON KAGAKU KOGYO KK, STARON JOZEF and POLAR SAPPHIRE LTD.

Patent filings in countries

World map showing OKUTAMA KOGYO KKs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kumasaka Tetsuo 25
#2 Yamashita Kazuo 19
#3 Tanaka Koichi 15
#4 Sato Toshiharu 13
#5 Kimura Keiichi 11
#6 Horiuchi Hideki 10
#7 Tanaka Kouichi 8
#8 Nishiguchi Hiroyuki 8
#9 Matsukawa Masanori 8
#10 Suzuki Akira 8

Latest patents

Publication Filing date Title
JPH10291820A High concentration calcium hydroxide aqueous suspension liquid and its production method
JPH10277384A Preparation of high efficiency acidic gas-treating agent
JPH1111941A Production of light calcium carbonate
JPH10219245A Soil stabilizer
JPH10202042A Acidic gas removing agent and its production
JPH10194735A Mixed aqueous slurry of precipitated calcium carbonate and ground calcium carbonate
JPH10109014A Acidic gas removing agent having heavy metal fixing performance and its production
JPH10102047A Dust-preventing treatment and dust-preventing treatment composition produced by the treatment
JPH1060434A Setting agent for soil having high water content
JPH09309723A Production of precipitated calcium carbonate
JPH09309724A Production of precipitated calcium carbonate
JPH09294582A Culture of nitrifying bacterium
JPH09268011A Aqueous suspension of high concentration calcium hydroxide
JPH09227864A Lime-based ground conditioner
JPH09217292A Calcium carbonate-filled paper
JPH08231216A Production of highly expandable zeolite
JPH09100119A Production of dried powder of calcium hydroxide
JPH09103640A Method and agent for treating exhaust gas
JPH09110425A Production of calcium hydroxide
JPH0999245A Surplus soil mixing and disintegrating machine