Patents by Inventor Kazuma Karube

Kazuma Karube 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).

  • Flux and solder composition
    Patent number: 11407069
    Abstract: A flux containing terpene phenolic resin and having an acid value of 120 mgKOH/g or more is provided. The acid value can be 250 mgKOH/g or less. The terpene phenolic resin can be contained by 0.05 mass % or more and 30 mass % or less. The flux can contain the terpene phenolic resin and another resin component as a rosin component, and an amount of the terpene phenolic resin contained in the rosin component can be 0.1 mass % or more and 80 mass % or less.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: August 9, 2022
    Assignee: KOKI COMPANY LIMITED
    Inventors: Yuri Misumi, Takeshi Yahagi, Motohide Sasaki, Tatsuya Baba, Kazuma Karube
  • Flux and Solder Composition
    Publication number: 20200094354
    Abstract: A flux containing terpene phenolic resin and having an acid value of 120 mgKOH/g or more is provided. The acid value can be 250 mgKOH/g or less. The terpene phenolic resin can be contained by 0.05 mass % or more and 30 mass % or less. The flux can contain the terpene phenolic resin and another resin component as a rosin component, and an amount of the terpene phenolic resin contained in the rosin component can be 0.1 mass % or more and 80 mass % or less.
    Type: Application
    Filed: January 15, 2018
    Publication date: March 26, 2020
    Inventors: Yuri Misumi, Takeshi Yahagi, Motohide Sasaki, Tatsuya Baba, Kazuma Karube