Patents by Inventor Masaki Hirono

Masaki Hirono 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).

  • Publication number: 20240076278
    Abstract: The present invention provides a compound having an mPGES-1 inhibitory activity and useful for the prophylaxis or treatment of pain, rheumatism, osteoarthritis, fever, Alzheimer's disease, multiple sclerosis, arteriosclerosis, glaucoma, ocular hypertension, ischemic retinal disease, systemic scleroderma and/or cancer including colorectal cancer. The present invention relates to a compound of formula [I-a], [I-b] or [I-c] or a pharmaceutically acceptable salt thereof: wherein each symbol is as defined in the specification.
    Type: Application
    Filed: February 24, 2023
    Publication date: March 7, 2024
    Applicant: Japan Tobacco Inc.
    Inventors: Ikuo Mitani, Yutaro Hirono, Masaki Yamashita
  • Publication number: 20100063191
    Abstract: Provided is a pellet blend excellent in both of the surface design and the high cycle performance. A pellet blend containing: a polyamide resin composition pellet (A) containing 30 to 100% by weight of a polyamide resin (a) and 70 to 0% by weight of an inorganic filler (b), the polyamide resin (a) containing at least a crystalline polyamide resin showing a crystallization-temperature on cooling stage (Tc) of 210° C. or lower measured by differential scanning calorimeter and/or an amorphous polyamide resin (a-1); and a lubricant pellet (B) containing 1 to 30% by weight (on the basis of the lubricant pellet) of a lubricant (c) in a polyamide resin (a-3), at a ratio by weight of polyamide resin composition pellet (A)/lubricant pellet (B) of (80 to 99.5)/(20 to 0.5).
    Type: Application
    Filed: October 31, 2007
    Publication date: March 11, 2010
    Inventor: Masaki Hirono
  • Patent number: 6855755
    Abstract: The present invention relates to a polyamide resin composition comprising: 100 parts by weight of a polyamide resin mixture comprising (A) 20 to 90% by weight of a polyamide 6 resin, a polyamide 66 resin or mixture thereof and (B) 10 to 80% by weight of an aromatic polyamide resin; and (C) 0 to 300 parts by weight of an inorganic filler, said aromatic polyamide resin being having diamine units comprising 10 to 50 mol % of paraxylylenediamine units and 50 to 90 mol % of methaxylylenediamine units, and aliphatic dicarboxylic acid units.
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: February 15, 2005
    Assignee: Mitsubishi Engineering-Plastics Corporation
    Inventors: Kei Morimoto, Noriyoshi Watanabe, Hiroshi Urabe, Masaki Hirono, Kazuo Yamamiya
  • Patent number: 6225383
    Abstract: The present invention relates to a resin composition comprising: 100 parts by weight of resin component comprising a polyamide resin or a polyamide resin and a thermoplastic resin other than polyamide resins, and 1 to 50 parts by weight of a salt of polyphosphoric acid and melam or a melam derivative, a salt of polyphosphoric acid and melem or a melem derivative or a mixture thereof.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: May 1, 2001
    Assignee: Mitsubishi Engineering Plastic Corp.
    Inventors: Masaki Hirono, Noriyoshi Watanabe