Patents by Inventor Masahiko SHIMAKAWA

Masahiko SHIMAKAWA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11034917
    Abstract: The cleaning agent composition for hard surface contains (A) at least one kind of carboxylic acid compound selected from the group consisting of an aliphatic monocarboxylic acid, a polycarboxylic acid, and any neutralized salt of these, (B) an alkanolamine compound, and (C) a hydroxyl group-containing compound having from 8 to 50 carbon atoms.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: June 15, 2021
    Assignee: NICCA CHEMICAL CO., LTD.
    Inventors: Junichi Nakajima, Masahiko Shimakawa, Fumitaka Ito
  • Publication number: 20200239813
    Abstract: A metal cleanser composition includes: (A) at least one carboxylic acid compound selected from the group consisting of an aliphatic monocarboxylic acid, a polycarboxylic acid, and a neutral salts thereof; (B) a specific oxyalkylene group-containing compound; and (C) at least one compound selected from the group consisting of a specific organic phosphonic acid and a salt thereof, and a specific nitrogen-containing heterocycle-containing compound.
    Type: Application
    Filed: June 28, 2018
    Publication date: July 30, 2020
    Inventors: Tetsuya MUNEISHI, Junichi NAKAJIMA, Takeshi YOSHIDA, Masahiko SHIMAKAWA, Fumitaka ITO
  • Patent number: 10280385
    Abstract: The cleaning agent composition for hard surface contains at least one kind of carboxylic acid compound selected from the group consisting of an aliphatic monocarboxylic acid, a polycarboxylic acid, and any neutralized salt of these, a specific first alkyleneoxy group-containing compound, a specific second alkyleneoxy group-containing compound, and a specific oxypropylene group-containing compound.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: May 7, 2019
    Assignee: Nicca Chemical Co., Ltd.
    Inventors: Junichi Nakajima, Masahiko Shimakawa, Fumitaka Ito
  • Publication number: 20180237727
    Abstract: The cleaning agent composition for hard surface contains (A) at least one kind of carboxylic acid compound selected from the group consisting of an aliphatic monocarboxylic acid, a polycarboxylic acid, and any neutralized salt of these, (B) an alkanolamine compound, and (C) a hydroxyl group-containing compound having from 8 to 50 carbon atoms.
    Type: Application
    Filed: February 29, 2016
    Publication date: August 23, 2018
    Inventors: Junichi NAKAJIMA, Masahiko SHIMAKAWA, Fumitaka ITO
  • Publication number: 20170362544
    Abstract: The cleaning agent composition for hard surface contains at least one kind of carboxylic acid compound selected from the group consisting of an aliphatic monocarboxylic acid, a polycarboxylic acid, and any neutralized salt of these, a specific first alkyleneoxy group-containing compound, a specific second alkyleneoxy group-containing compound, and a specific oxypropylene group-containing compound.
    Type: Application
    Filed: August 30, 2017
    Publication date: December 21, 2017
    Inventors: Junichi NAKAJIMA, Masahiko SHIMAKAWA, Fumitaka ITO