Patents by Inventor Ryu Ito

Ryu Ito 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: 11952297
    Abstract: Provided are an extract, which is a fractionated component 1 of a water extract of a plant powder, wherein the fractionated component 1 is a fractionated component having a fractionation molecular weight of 12,000 or greater, wherein an ethanol-undissolved component of the fractionated component 1 exhibits a peak attributable to carboxylic acid in a Fourier transform infrared spectroscopy (FT-IR) measurement and exhibits a peak attributable to cellulose in a gas chromatography mass spectrometry (GC-MS) measurement, and wherein an ethanol-dissolved component of the fractionated component 1 exhibits a peak attributable to carboxylic acid in the FT-IR measurement and exhibits a peak attributable to a plant protein in the GC-MS measurement, and a water-purifying agent containing the extract.
    Type: Grant
    Filed: March 2, 2023
    Date of Patent: April 9, 2024
    Assignee: DEXERIALS CORPORATION
    Inventors: Takanori Fujita, Ryu Shimada, Masahiko Ito, Masato Hasegawa
  • Publication number: 20230396905
    Abstract: Provided is a bracket for a speaker, the bracket being capable of ensuring the strength when the speaker is attached by using an attachment plate, and also enhancing the workability in folding of the attachment plate when the speaker is attached without using the attachment plate. The present invention includes: a frame-shaped support portion 10 which supports a speaker; and a mounting member 20 which is used for attaching the speaker supported by the support portion 10 to the outside and is provided in the support portion 10, wherein a plurality of grooves having different extension directions are continuously formed on a base part of the mounting member 20, the base part connecting the mounting member 20 and the support portion 10.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 7, 2023
    Inventors: Hayami KONDO, Ryu ITO, Shun SHIRAHATA, Masato TSURUYA, Hiroyuki DOHI
  • Patent number: 11381893
    Abstract: Provided is a bracket for a speaker, the bracket being capable of ensuring the strength when the speaker is attached by using an attachment plate, and also enhancing the workability in folding of the attachment plate when the speaker is attached without using the attachment plate; the present invention includes: a frame-shaped support portion which supports a speaker; and a mounting member which is used for attaching the speaker supported by the support portion to the outside and is provided in the support portion, wherein a plurality of grooves having different extension directions are continuously formed on a base part of the mounting member, the base part connecting the mounting member and the support.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: July 5, 2022
    Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Hayami Kondo, Ryu Ito, Shun Shirahata, Masato Tsuruya, Hiroyuki Dohi
  • Publication number: 20210211789
    Abstract: Provided is a bracket for a speaker, the bracket being capable of ensuring the strength when the speaker is attached by using an attachment plate, and also enhancing the workability in folding of the attachment plate when the speaker is attached without using the attachment plate. The present invention includes: a frame-shaped support portion 10 which supports a speaker; and a mounting member 20 which is used for attaching the speaker supported by the support portion 10 to the outside and is provided in the support portion 10, wherein a plurality of grooves having different extension directions are continuously formed on a base part of the mounting member 20, the base part connecting the mounting member 20 and the support portion 10.
    Type: Application
    Filed: May 27, 2019
    Publication date: July 8, 2021
    Inventors: Hayami KONDO, Ryu ITO, Shun SHIRAHATA, Masato TSURUYA, Hiroyuki DOHI
  • Patent number: 5533227
    Abstract: A toothbrush capable of permitting tips of fillings thereof to enter or reach areas such as recesses between teeth, boundaries between teeth and gingivae, and the like to effectively remove dental plaque and the like and exhibit a soft feeling sufficient to prevent damage to gingivae. The toothbrush includes fillings made of a synthetic filament material. The fillings are each formed at both tips thereof into a pointed tapered shape and tied up into a plurality of bundles. The pointed tapered tips of the fillings are each formed with a length of 4 to 8 mm and a non-tapered section of each of the fillings is formed with a maximum diameter of 0.16 to 0.20 mm. Filling setting holes of a filling setting base provided at distal end of a handle of the toothbrush so as to set the bundles of the fillings thereon are formed with a diameter of 1.5 to 2.0 mm and spaced from other holes at an interval of 1.0 to 1.2 mm in the longitudinal direction of the handle.
    Type: Grant
    Filed: June 23, 1995
    Date of Patent: July 9, 1996
    Assignee: Lion Corporation
    Inventors: Ryu Ito, Kenji Kaneko, Satoshi Hayashi, Akiko Terai
  • Patent number: 4741066
    Abstract: The invention relates to a brush which comprises a handle portion, a base portion formed with recesses for holding filaments or bristles, an insert which acts as holding means for holding the filaments or bristles in the recesses, and filaments or bristles held in the recesses by the insert. According to the invention, the base portion of the brush, and possible also the handle portion, is formed of a particular plastic which permits the insert which holds the filaments or bristles to press into the sides of the recesses with considerable pressure without cracking the sides so as to permit better holding of the filaments or bristles in the brush base.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: May 3, 1988
    Assignee: Lion Corporation
    Inventors: Ryu Ito, Akiyoshi Umebara, Tsuneo Umezawa
  • Patent number: D911155
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: February 23, 2021
    Assignee: PIONEER CORPORATION
    Inventors: Hayami Kondo, Ryu Ito, Shun Shirahata, Hiroyuki Dohi, Masato Tsuruya