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OTSUKA KAGAKU KK

Overview
  • Total Patents
    527
About

OTSUKA KAGAKU KK has a total of 527 patent applications. Its first patent ever was published in 1983. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, environmental technology and macromolecular chemistry and polymers are PAZENOK SERGII, THOMOND MOCKLER and JAPAN HYDRAZINE CO LTD.

Patent filings per year

Chart showing OTSUKA KAGAKU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kameyama Yutaka 114
#2 Sasaoka Michio 107
#3 Tanaka Hideo 102
#4 Torii Sigeru 66
#5 Shiroi Takashi 50
#6 Suzuki Daisuke 33
#7 Taniguchi Masatoshi 32
#8 Torii Shigeru 29
#9 Takao Hisashi 24
#10 Kikuchi Ryo 23

Latest patents

Publication Filing date Title
CN1432608A Aldelyde deodorant composition and deodorizing aldehyde paint
WO02053657A1 Water-based coating composition for wallpaper and wallpaper
TW538138B Process for treating and producing the parts made of magnesium and/or magnesium alloy
WO0166495A1 Processes for producing oxide with higher oxidation than alcohol
CN1327457A Hardener for epoxy resin and epoxy resin composition
EP1447406A1 3-Cephem derivative crystal
MY131972A Deodorizing composition
CN1378462A Deodorant compositions
WO0041564A1 Resin compositions for controlling small animals and molded members for controlling small animals made thereof
EP1035148A1 Aqueous solution of water-soluble epoxy resin, solid obtained therefrom, and processes for producing these
AU3443299A Process for producing cephem compounds
EP1075790A1 Cut-flower freshness retentive
EP1026159A1 4-aryl-4-substituted pyrazolidine-3,5-dione derivatives
CN1248179A Photocatalyst, process for producing the same and multifunctional members
WO9829426A1 Carbohydrazide/manganese complex and gas-generating agent for air bag
EP0918039A1 Boron nitride and process for preparing the same
EP0802191A1 Pyrazole derivatives and insecticidal compositions containing the same as active ingredient
EP0801045A1 Gas generator for air bag
WO9712848A1 Gas generating agent for air bags
WO9709471A1 Surface-coated whisker