Patents by Inventor Kentaro HAMASHIMA

Kentaro HAMASHIMA 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).

  • LUBRICANT COMPOSITION FOR PLASTIC WORKING
    Publication number: 20230183598
    Abstract: Provided is a lubricant composition for plastic working of a ferrous material, the lubricant composition being excellent in lubricity and releasability and not staining the work environment black. A lubricant composition for plastic working of a ferrous material is used, the lubricant composition containing (a) an alkali metal salt of an organic acid, (b) water-based resin particles, (c) a water-soluble polymer, and (d) water, the (b) water-based resin particles including particles having a particle diameter of not more than 0.1 ?m in an amount of more than 5% by weight relative to a total amount of the (b) water-based resin particles.
    Type: Application
    Filed: April 21, 2021
    Publication date: June 15, 2023
    Inventor: Kentaro HAMASHIMA
  • Lubricant composition for plastic processing
    Patent number: 11261397
    Abstract: Provided is a lubricant composition for plastic working which lubricant composition is excellent in lubricity and mold releasability. The lubricant composition for plastic working which lubricant composition contains: (a) silica; and (b) an alkali metal salt of an organic acid, a weight ratio of (b) the alkali metal salt of the organic acid to (a) the silica (a weight of (b)/a weight of (a)) being not less than 2, is used.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: March 1, 2022
    Assignee: MORESCO CORPORATION
    Inventor: Kentaro Hamashima
  • LUBRICANT COMPOSITION FOR PLASTIC PROCESSING
    Publication number: 20200277539
    Abstract: Provided is a lubricant composition for plastic working which lubricant composition is excellent in lubricity and mold releasability. The lubricant composition for plastic working which lubricant composition contains: (a) silica; and (b) an alkali metal salt of an organic acid, a weight ratio of (b) the alkali metal salt of the organic acid to (a) the silica (a weight of (b)/a weight of (a)) being not less than 2, is used.
    Type: Application
    Filed: September 10, 2018
    Publication date: September 3, 2020
    Inventor: Kentaro HAMASHIMA
  • Water-soluble lubricant composition for plastically working aluminum material
    Patent number: 10087386
    Abstract: A water-soluble lubricant composition for warm and hot plastically working of an aluminum material comprising (A) hydrophilic polyester resin, (B) alkali metal salt of a polymaleic acid resin, (C) alkali metal salt of carboxylic acid and (D) water, and optionally (E) a wax.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: October 2, 2018
    Assignee: MORESCO CORPORATION
    Inventors: Kentaro Hamashima, Toru Makino
  • WATER-SOLUBLE LUBRICANT COMPOSITION FOR PLASTICALLY WORKING ALUMINUM MATERIAL
    Publication number: 20170275549
    Abstract: A water-soluble lubricant composition for warm and hot plastically working of an aluminum material comprising (A) hydrophilic polyester resin, (B) alkali metal salt of a polymaleic acid resin, (C) alkali metal salt of carboxylic acid and (D) water, and optionally (E) a wax.
    Type: Application
    Filed: October 8, 2015
    Publication date: September 28, 2017
    Applicant: MORESCO CORPORATION
    Inventors: Kentaro HAMASHIMA, Toru MAKINO