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KOKURITSU KANKYO KENKYUSHO

Overview
  • Total Patents
    16
About

KOKURITSU KANKYO KENKYUSHO has a total of 16 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan and United States. Its main competitors in its focus markets environmental technology and transport are LETOURNEAU R G, JOY MFG CO AFRICA and RAWLINSON PETER DORE.

Patent filings in countries

World map showing KOKURITSU KANKYO KENKYUSHOs patent filings in countries
# Country Total Patents
#1 Japan 15
#2 United States 1

Patent filings per year

Chart showing KOKURITSU KANKYO KENKYUSHOs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Shimizu Hiroshi 6
#2 Yagi Osami 3
#3 Uchiyama Hiroo 3
#4 Okada Fusako 2
#5 Minato Atsushi 2
#6 Takeshita Shunji 2
#7 Kobata Kunio 2
#8 Mishima Koji 2
#9 Shimomura Tatsuo 2
#10 Sugimoto Nobuo 2

Latest patents

Publication Filing date Title
JPH10338928A Adsorptive oil fence
JPH10239306A Multiple tank type elution measuring device
JPH07181041A Acute angle back reflector
JPH0781430A Drive device of electric vehicle
JPH06324068A Visualizing method for air flow, tracer used therefor and manufacture of the tracer
JPH06245760A Culture of organic chloride compound-decomposing bacterium
JPH06245761A Activation of organic chloride compound-decomposing microorganism
JPH0747842A Body for electric automobile
JPH06226230A Purifying method for contaminated soil using aerobic microorganisms
JPH0611485A Method and device for sensing of neutral active seed
JPH04325130A Tissue paper and its use case
JPH04325467A Manufacture of ceramics product
JPH04327631A Structural material and interior material therefor
JPH04318502A Cube corner retroreflector
JPH04280056A High frequency induction coupling plasma mass spectrometer