Patents by Inventor Masashi Miyabe

Masashi Miyabe 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).

  • Howling suppression device
    Patent number: 10388299
    Abstract: A howling suppression device is provided, including: a plurality of filters in which a passband and a stopband are arranged alternately on a frequency axis; and a gain control unit which temporally varies an output gain of each of the plurality of filters and sums signals thus varied to output, wherein each of the plurality of filters has a passband in at least part of a stopband of another filter.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: August 20, 2019
    Assignee: Asahi Kasei Microdevices Corporation
    Inventor: Masashi Miyabe
  • HOWLING SUPPRESSION DEVICE
    Publication number: 20180211681
    Abstract: A howling suppression device is provided, including: a plurality of filters in which a passband and a stopband are arranged alternately on a frequency axis; and a gain control unit which temporally varies an output gain of each of the plurality of filters and sums signals thus varied to output, wherein each of the plurality of filters has a passband in at least part of a stopband of another filter.
    Type: Application
    Filed: March 5, 2018
    Publication date: July 26, 2018
    Inventor: Masashi MIYABE
  • PERSONAL INFORMATION PROTECTING SHEET, METHOD OF MANUFACTURING THE SAME, AND ENVELOPE WITH PERSONAL INFORMATION PROTECTING SHEET
    Publication number: 20090091122
    Abstract: The present invention provides a personal information protecting sheet in which personal information can be easily made illegible. The personal information protecting sheet includes a base material, a release layer formed on at least a part of the surface of the base material, and an image-receiving layer formed on the release layer. When a force having a directional component that is larger than a predetermined value and parallel to the surface of the base material is applied to the surface, a portion of the image-receiving layer to which the force is applied is peeled from the release layer.
    Type: Application
    Filed: March 9, 2006
    Publication date: April 9, 2009
    Inventors: Toru Ogawa, Masayoshi Kajiyama, Toyonari Watanabe, Takuji Oikawa, Sakae Shirasawa, Ryuichi Iwaoka, Hiroyuki Yamaguchi, Sunao Tada, Yosuke Hirooka, Kakuei Hoshino, Akira Kayukawa, Masami Matsumoto, Satoru Terada, Hiroshige Mochida, Masamichi Onda, Atsushi Rakuyama, Kenji Sugaya, Kiyotaka Shingu, Koichi Kashiwabara, Ryuichi Oshio, Akira Kojima, Makoto Hoken, Yoshiyuki Kamata, Yukihiro Matoi, Masashi Miyabe