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KOTOBUKI SEIYAKU CO LTD

Overview
  • Total Patents
    258
  • GoodIP Patent Rank
    207,961
  • Filing trend
    ⇩ 100.0%
About

KOTOBUKI SEIYAKU CO LTD has a total of 258 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1976. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and environmental technology are ROTTA RESEARCH LAB, ROUSSEL LAB LTD and SEWIL LAB.

Patent filings per year

Chart showing KOTOBUKI SEIYAKU CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tomiyama Takeshi 102
#2 Tomiyama Tsuyoshi 101
#3 Tomiyama Itaru 79
#4 Tomiyama Akira 79
#5 Yanagisawa Takashi 61
#6 Yokota Masayuki 41
#7 Tomiyama Yasushi 34
#8 Ueyama Naoto 27
#9 Kawai Tomoyuki 22
#10 Wakabayashi Shuichi 21

Latest patents

Publication Filing date Title
JP2017222728A Solid dispersion of fenofibrate
JP2015212259A Stabilized formulation of rosuvastatin or salt thereof
JP2015151353A solid dispersion of fenofibrate
JP2014024872A Stable solid preparation of egualen sodium
JP2013234194A Method of producing c-glycoside derivative
JP2013010712A Tricyclic compound and pharmaceutical composition containing the same
JP2009263391A New glycolipid derivative and pharmaceutical preparation comprising the same as active component
JP2010001291A Method for producing glycolipid derivative
JP2010248137A Method for producing gamma-thujaplicin
JP2010241745A Pharmaceutical composition for preventing or treating mucosal injury of small intestine
JP2010116337A Stable solid preparation of egualen sodium
JP2009062381A Glucolipid derivative, its manufacturing method and medicine containing it as effective component
JP2008222557A PYRROLO[3,2-d]PYRIMIDINE DERIVATIVE AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME AS EFFECTIVE COMPONENT
JP2008214305A Substituted amine derivative and pharmaceutical composition containing the same as active ingredient
JP2008169145A Preparation for percutaneous application
JP2008088108A Prophylactic agent or therapeutic agent for hypertension or cardiovascular disease
JP2008031131A Method for producing oxazolidine derivative
JP2007291004A Azulene derivative and serum cholesterol-reducing agent containing the same as active substance
JP2007161588A Solid dispersion of fenofibrate and therapeutic agent for hyperlipemia containing the dispersion
JP2006298791A Medicine for oral administration, health food or nutrient chemical composition containing glycosaminoglycan or its salt