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NIPPON KOYU LTD

Overview
  • Total Patents
    19
About

NIPPON KOYU LTD has a total of 19 patent applications. Its first patent ever was published in 2004. It filed its patents most often in Japan, China and EPO (European Patent Office). Its main competitors in its focus markets macromolecular chemistry and polymers, semiconductors and basic materials chemistry are RHEIN CHEMIE RHEINAU GMBH, Rajn Khemi Rajnau GmbKh and CROMPTON CORP.

Patent filings in countries

World map showing NIPPON KOYU LTDs patent filings in countries

Patent filings per year

Chart showing NIPPON KOYU LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nishimura Hiroshi 6
#2 Nomura Shinnosuke 5
#3 Okubo Makoto 5
#4 Kimura Yasuhiro 4
#5 Araki Jun 3
#6 Kojima Hajime 3
#7 Izawa Chika 3
#8 Iwasaki Masatoshi 2
#9 Takemura Kunio 2
#10 Yokoya Toshiji 2

Latest patents

Publication Filing date Title
JP2010052242A Ink backflow inhibitor composition for ballpoint pen
JP2010018648A Flame-retardant grease composition and method for storing the same
JP2010013499A Lubricating grease composition
JP2009161706A Grease composition
JP2009114293A Grease composition and method for producing the same
JP2008201901A Non-diffusing lubricant composition and method for preventing diffusion of base oil
JP2008038047A Grease composition containing highly crosslinked resin
JP2007224134A Flame-retardant lubricating grease composition
JP2007217511A Solvent diluting type fluorine lubricant composition
JP2007177123A Grease added with water-soluble polymer
JP2007154084A Lubricating grease composition
JP2007080764A Suppressing method of damage caused by arc between electric contacts
JP2007016066A Method for lubrication in mechanical apparatus
JP2006258234A Lubricant sealing device
JP2006131815A Ball-point pen ink anti-backflow agent composition
JP2006059564A Modular jack and free marker applied to it