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MEIJI SEIKA CO

Overview
  • Total Patents
    789
  • GoodIP Patent Rank
    228,095
About

MEIJI SEIKA CO has a total of 789 patent applications. Its first patent ever was published in 1960. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and environmental technology are SHIONOGI SEIYAKU KK, TOYAMA CHEMICAL CO LTD and SINT QUIMICA SA.

Patent filings per year

Chart showing MEIJI SEIKA COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Inoue Shigeharu 138
#2 Tsuruoka Takashi 119
#3 Watanabe Tetsuo 77
#4 Shiyoumura Takashi 70
#5 Kojima Michio 52
#6 Fukatsu Shiyunzou 49
#7 Sekizawa Taiji 49
#8 Kai Fumio 46
#9 Niwa Tomizou 43
#10 Iwamatsu Katsuyoshi 41

Latest patents

Publication Filing date Title
CN1268866A Rice blast control agent and wheat scab control agent
AU5208498A Novel compound with platelet aggregation inhibitor activity
EP0897920A1 Novel heterocyclic compounds having platelet aggregation inhibitory effects
TW505653B Triterpene derivatives possessing an effect of treating liver diseases and pharmacentical compositions containing the same
WO9730040A1 Novel tetrahydronaphthofuranone derivatives and process for producing the same
AU1110097A Crystalline 1-kestose and process for preparing the same
CN1190405A Triterpene derivatives and remely for liver diseases
WO9700258A1 Tricyclic benzazepine compounds
CN1148390A Novelc arbapenem derivatives
WO9616968A1 Bicyclic thiazole compound
US5760053A γ-Diketone compounds with inhibitory activity against platelet aggregation
WO9605205A1 Novel cephem derivative
EP0721941A1 Novel compound having platelet aggregation inhibitor effect
WO9525764A1 Double-stranded derivative of polyoxyethylene-containing lipid
EP0686636A1 Tricyclic benzazepine and benzothiazepine derivatives
EP0669336A1 Novel cephem derivatives
TW268885B Stabilized composition comprising colistin sulfate
NZ262768A Platelet aggregation inhibitors
EP0636740A1 Cellulase preparation and method of treating cellulosic fiber therewith.
EP0635506A1 Compound with antipsychotic effect.