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GEN SEKIYU KK

Overview
  • Total Patents
    17
About

GEN SEKIYU KK has a total of 17 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Japan and EPO (European Patent Office). Its main competitors in its focus markets measurement, basic materials chemistry and environmental technology are HIHAKAI KENSA KK, DAINICHI KIKAI KOGYO KK and ENERGETICS SCIENCE.

Patent filings in countries

World map showing GEN SEKIYU KKs patent filings in countries
# Country Total Patents
#1 Japan 16
#2 EPO (European Patent Office) 1

Patent filings per year

Chart showing GEN SEKIYU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Horii Yuji 5
#2 Nishimura Kazuo 4
#3 Yamamoto Etsuo 2
#4 Kanbara Takaki 2
#5 Kosaka Toshitaka 2
#6 Doi Teisho 2
#7 Baba Masao 2
#8 Kubo Miki 2
#9 Okura Ichiro 2
#10 Sato Hideaki 2

Latest patents

Publication Filing date Title
JP2000044972A Method for improving biodegradability of lubricant, biodegradability improver, and biodegradable lubricant composition
JPH10316983A Lubricating composition
JPH09304304A Void fraction measuring device
JPH09249888A Prevention of half stuck of piston ring and gasoline used therefor
JPH078271A New microorganism assimilating petroleum and waste oil
JPH078270A New microorganism assimilating petroleum and waste oil
JPH06263701A N,n'-diallyl-2,6-naphthalene-dicarboxamide and polymer using the same
JPH05202367A Method for desulfurizing and denitrating light oil by extraction
JPH04288322A Poly(9,10-dihydrophenanthrene-2,7-diyl) polymer, and production and use thereof
JPH04286805A Poly (9,10-dihydrophenanthrene-2,7-diyl) copolymer film-shaped substance and its manufacture
EP0386687A2 Method of measuring reduction of surface layer material and apparatus therefor
JPH0375511A Method and apparatus for measuring reduced amount of thickness of moving body through radioactivity
JPH0331709A Method and device for measuring quantity of thickness reduction due to ultramicro radioactivity
JPH02234054A Method and device for measuring reduced thickness quantity of substance surface
JPH02150492A Antinock agent
JPH0236134A Separation and concentration by inclusion of naphthalenes
JPS6314736A Recovery of coronene and apparatus therefor