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NIKKEN CHEMICALS CO LTD

Overview
  • Total Patents
    495
About

NIKKEN CHEMICALS CO LTD has a total of 495 patent applications. Its first patent ever was published in 1958. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets pharmaceuticals, organic fine chemistry and machines are DAI DONGCHENG, NAT INSTITUTE OF BIOLOGICAL SCIENCES BEIJING and IVASHCHENKO ALEKSANDR VASIL EVICH.

Patent filings per year

Chart showing NIKKEN CHEMICALS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Suzuki Kenichi 53
#2 Hashimoto Yoshio 34
#3 Kawahara Yoshikazu 33
#4 Hoshiide Yasuo 32
#5 Ukigaya Tadashi 31
#6 Okumura Mutsuo 31
#7 Seki Takeji 25
#8 Tasaka Shigeyuki 25
#9 Okada Kazuo 25
#10 Tasaka Nariyuki 23

Latest patents

Publication Filing date Title
JP2006131625A Isosorbid preparation improved in taste quality
JP2006117649A Isosorbide preparation
JP2006306766A Theophylline sustained-release particulate formulation and its manufacturing method
JP2006167050A Drip container packaging bag
US2004242690A1 Method for preparing polyprenyl compounds
JP2004331654A Method for producing polyprenyl compound
AU2003257550A1 Soft capsule preparation
JP2004137224A Sugar-coating liquid and sugar-coating composition
JP2004107282A Method for inhibiting crystallization of erythritol
JP2003160480A Nk-1 receptor antagonist
JP2004002256A Optically active oxazine derivative
WO03008396A1 Optically active oxazine derivative
EP1410795A1 Remedies for allergic eye diseases
JP2003089637A Agent for treatment of allergic oculopathy
WO03002511A1 Cycloalkenone derivative
JP2003081926A Cycloalkenone derivative
JP2003040826A Method for oxidizing allyl alcohols
US2002198411A1 Method for oxidation of allyl alcohol
JP2003300884A TNF-alpha PRODUCTION INHIBITOR
JP2002255820A Monoaminergic nerve-activating agent