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MEISEI CHEMICAL WORKS LTD

Overview
  • Total Patents
    201
  • GoodIP Patent Rank
    36,971
  • Filing trend
    ⇩ 75.0%
About

MEISEI CHEMICAL WORKS LTD has a total of 201 patent applications. It decreased the IP activity by 75.0%. Its first patent ever was published in 1966. It filed its patents most often in Japan, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets textiles and paper, basic materials chemistry and macromolecular chemistry and polymers are HANGZHOU MEIGAO HUAYI CHEM CO LTD, TAICANG YUNYUN CHEMICAL FIBER CO LTD and SUZHOU INSILK DIGITAL TEXTILE SCIENCE & TECH CO LTD.

Patent filings per year

Chart showing MEISEI CHEMICAL WORKS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sugimoto Hitoshi 19
#2 Nishio Nobuyuki 19
#3 Takekoshi Shiyouji 18
#4 Tomita Mikio 16
#5 Kohama Kazuo 15
#6 Hashimoto Akira 15
#7 Hashimoto Takashi 13
#8 Kumada Yasuyuki 11
#9 Osawa Ichiro 10
#10 Kawakami Kazuhiro 10

Latest patents

Publication Filing date Title
JP2020012230A Dispersant for wet type papermaking, dispersion composition for wet type papermaking and manufacturing method of fiber sheet
WO2019240162A1 Water repellent agent, water repellent fiber product, and method for manufacturing same
JP2020122094A Water-repellent, method for producing water-repellent-treated fiber substrate, water-repellent fiber article, water-repellent fiber article with coating film, and method for producing water-repellent fiber article with coating film
TW201937042A Softener for papermaking, paper, and method for manufacturing paper
JP2020007681A Surface treatment agent for fiber and fiber product
JP2020007657A Fiber treatment composition, fiber treatment kit, fiber product and method for manufacturing water-repellent fiber product
JP2019150773A Carbon fiber dispersant composition, carbon fiber dispersant kit, carbon fiber dispersing composition, and carbon fiber sheet manufacturing method
JP2019112510A Crosslinking agent for fiber or leather, treatment agent and structure
JP2019104834A Cleaning agent for supercritical fluid treatment equipment
JP2019094580A Saponification promoter for diacetate fiber or triacetate fiber
JP2019094577A Flame-retardant finishing agent for polyester-based fiber
JP2019070202A Oil-resistant paper and production method of oil-resistant paper
CN109153908A Water repellent inorganic agent and its manufacturing method
JP2017218713A Water repellent agent containing no fluorine and water repellent method, water repellent fiber product
JP2017222967A Fluorine-free water repellent, water repelling processing and water repellent fiber product
JP2018035469A Non-woven fabric having liquid diffusibility and manufacturing method thereof
JP2017206775A Aqueous dispersion for water-repellent treatment of fiber product and method for producing the same, water-repellent finishing method and water-repellent fiber product
JP2017186703A Composition for fiber treatment and fiber product treated with the composition
JP2017155135A Manufacturing method of modified cellulose nanofiber and high molecule composite material containing modified cellulose nanofiber
JP2017057511A Dispersant for wet type paper, dispersion composition for wet type paper and fiber sheet