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OSAKA SEIKA KOGYO KK

Overview
  • Total Patents
    17
About

OSAKA SEIKA KOGYO KK has a total of 17 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Japan and United States. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and textiles and paper are VYZK USTAV TEXTIL ZUSLECHT, PYRIDIUM CORP and ATTO TEC GMBH.

Patent filings in countries

World map showing OSAKA SEIKA KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 14
#2 United States 3

Patent filings per year

Chart showing OSAKA SEIKA KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Okawa Katsuaki 11
#2 Honmaru Hide 8
#3 Abe Yoshio 5
#4 Tanaka Naoki 4
#5 Kamano Takayoshi 4
#6 Tsutsumi Mitsutaka 3
#7 Kaneko Kazumasa 3
#8 Wakita Kuniaki 2
#9 Tanimoto Shigeo 2
#10 Morohashi Jiro 2

Latest patents

Publication Filing date Title
JP2001106677A Benzotriazole-based compound and light stabilizer
JP2001031658A Production of benzotriazole-based compound
JP2001019681A Sulfonated benzotriazole-based compound
JP2001011056A 2-(2'-hydroxyphenyl)-2h-benzotriazole bearing long-chain alkyl group and phenyl group
JP2000273064A Benzophenone derivative and stabilizer
JPH09208926A Ultraviolet light absorber
JPH09176134A Production of 2-(2'-hydroxyphenyl)benzotriazole compound
JPH08208628A Benzotriazole and production thereof
JPH07197378A Treating agent for fiber material
JPH07101943A New benzotriazole compound and its production
JPH06299138A Liquid ultraviolet absorber and its production
JPH05320619A Hardly subliming benzophenone-based ultraviolet absorber
JPH05311151A Benzophenone-type liquid ultraviolet absorber and its production
US3840585A Process for manufacturing alkyl esters of beta-(3,5-di-t-butyl-4-hydroxyphenyl)-propionic acid
US3840528A Azole compounds
US3637672A Azole compounds