Patents by Inventor Hiroyuki Matoba

Hiroyuki Matoba 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).

  • Rolling method for parallel-flange steel shapes
    Patent number: 4958509
    Abstract: A rolling method for parallel-flange steel shapes is disclosed, which comprises the steps of:rough rolling a rolling material in a breakdown mill to form a web and two flanges connected to the ends of the web;performing intermediate rolling to reduce the flanges to substatially their final dimensions; andperforming finish rolling in a universal finishing mill to reduce the web height by rolling the outer surfaces of the flanges with vertical rolls without the inner surfaces of the flanges contacting the lateral surfaces of the horizontal rolls of the universal finishing mill.
    Type: Grant
    Filed: September 19, 1989
    Date of Patent: September 25, 1990
    Assignee: Sumitomo Metal Industries, Ltd.
    Inventors: Yoshiaki Kusaba, Hiroyuki Matoba, Tsuneo Yamada
  • Wireless headphone transmitter
    Patent number: D585048
    Type: Grant
    Filed: June 4, 2008
    Date of Patent: January 20, 2009
    Assignee: Kabushiki Kaisha Audio-Technica
    Inventors: Satoshi Uchimura, Hiroyuki Matoba, Koichiro Tanoue
  • Wireless headset
    Patent number: D601124
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: September 29, 2009
    Assignee: Kabushiki Kaisha Audio-Technica
    Inventors: Satoshi Uchimura, Hiroyuki Matoba, Koichiro Tanoue
  • Earphone
    Patent number: D822009
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: July 3, 2018
    Assignee: Audio-Technica Corporation
    Inventors: Hiroyuki Matoba, Shohei Araki
  • Earphone
    Patent number: D831619
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: October 23, 2018
    Assignee: AUDIO-TECHNICA CORPORATION
    Inventors: Hiroyuki Matoba, Shohei Araki