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KANTO KAGAKU

Overview
  • Total Patents
    763
  • GoodIP Patent Rank
    9,746
  • Filing trend
    ⇧ 47.0%
About

KANTO KAGAKU has a total of 763 patent applications. It increased the IP activity by 47.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, Taiwan and United States. Its main competitors in its focus markets basic materials chemistry, semiconductors and organic fine chemistry are EKC TECHNOLOGY INC, TECHNIC FRANCE and EKC TECHNOLOGY LTD.

Patent filings per year

Chart showing KANTO KAGAKUs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ishikawa Norio 125
#2 Mori Kiyoto 71
#3 Ohwada Takuo 66
#4 Murata Kunihiko 63
#5 Fujii Tsunenori 60
#6 Suzuki Kenji 55
#7 Kato Masaru 55
#8 Sugiura Atsushi 45
#9 Takahashi Hideki 44
#10 Katsuragi Hayato 39

Latest patents

Publication Filing date Title
JP2021006523A Spiroacridan-based compound, hole transport material comprising compound, and organic electronic device comprising compound in hole transport layer
JP2020094033A 2-substituted fluorene based compound, hole transport material containing the compound, and organic electronic device with hole transport layer containing the compound
JP2020202320A Hydrogen peroxide decomposition inhibitor
JP2020145343A Silicon nitride etchant composition
JP2020132940A Silver plating solution composition
JP2020117246A Device, tool and lid for safely attaching/detaching lid
JP2020104086A Method and apparatus for decomposing hydrogen peroxide
JP2020107870A Etchant composition for batch etching of multilayer film having zinc oxide and silver
JP2020089338A Undifferentiation-maintaining culture medium for pluripotent stem cell
JP2020089309A Medium for detecting or enriching clostridium perfringens and method for detecting or enriching the same
JP2020087945A Composition for removing ruthenium
JP2019011367A Manufacturing method of optical active secondary alcohol
JP2020045453A Cleaning liquid composition
JP2020040054A Adsorbent containing metal cyano complex
WO2018181896A1 Etchant composition for etching titanium layer or titanium-containing layer, and etching method
TW201839831A Cleaning liquid composition
KR20190129922A Pyranoquinazoline Derivatives and Naphthopyran Derivatives
JP2018041982A Metal oxide etchant composition and etching method
JP2018174212A Etching solution composition and etching method
TW201823513A Cyanide-free liquid composition for immersion gold plating