Patents by Inventor Ryouhei Yoshida

Ryouhei Yoshida 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).

  • Vacuum cleaner and dust bag for vacuum cleaner
    Patent number: 7765636
    Abstract: A vacuum cleaner includes a dust chamber, a dust bag provided in the dust chamber, and an electric blower for generating suction air flow for drawing and collecting dust and dirt in the dust bag. A deodorant is supplied into the dust bag by the suction air flow and directly attached to the dust and dirt. The deodorant has a granule or powder shape.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: August 3, 2010
    Assignee: Panasonic Corporation
    Inventors: Masanobu Hirota, Hiroyuki Kayama, Makoto Murakami, Koichi Nakano, Hidenori Kitamura, Tomomi Mitani, Takaaki Ogawa, Ryouhei Yoshida
  • Vacuum cleaner and dust bag for vacuum cleaner
    Publication number: 20060191416
    Abstract: A vacuum cleaner includes a dust chamber; a dust bag provided in the dust chamber; and an electric blower for generating suction air flow for drawing and collecting dust and dirt in the dust bag. A deodorant is supplied into the dust bag by the suction air flow and directly attached to the dust and dirt, the deodorant having a granule or powder shape.
    Type: Application
    Filed: February 28, 2006
    Publication date: August 31, 2006
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masanobu Hirota, Hiroyuki Kayama, Makoto Murakami, Koichi Nakano, Hidenori Kitamura, Tomomi Mitani, Takaaki Ogawa, Ryouhei Yoshida