Patents by Inventor Kazuma Suo

Kazuma Suo 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).

  • Electric vacuum cleaner
    Patent number: 6536073
    Abstract: An electric cleaner provided with a main body comprised of a cleaner housing (20) equipped with wheels (27) for mobility on a floor surface. Both side surfaces of the main body extend outwardly beyond rim portions (35) of the respective wheels (27) that stay in contact with the floor surface, and a center of gravity G (40) of the main body is placed in such a position that the main body rolls toward a direction where the wheels (27) stand on the floor surface so as to return itself into an original posture when the main body tilts in a way that one of the side surfaces lies in contact to the floor.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: March 25, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroyuki Uratani, Yoshiaki Ohnishi, Toshifumi Miyahara, Masaki Shibuya, Kazuma Suo, Saburo Kajikawa
  • Electric cleaner
    Publication number: 20010029641
    Abstract: An electric cleaner provided with a main body comprised of a cleaner housing (20) equipped with wheels (27) for mobility on a floor surface. Both side surfaces of the main body extend outwardly beyond rim portions (35) of the respective wheels (27) that stay in contact with the floor surface, and a center of gravity G (40) of the main body is placed in such a position that the main body rolls toward a direction where the wheels (27) stand on the floor surface so as to return itself into an original posture when the main body tilts in a way that one of the side surfaces lies in contact to the floor.
    Type: Application
    Filed: March 1, 2001
    Publication date: October 18, 2001
    Inventors: Hiroyuki Uratani, Yoshiaki Ohnishi, Toshifumi Miyahara, Masaki Shibuya, Kazuma Suo, Saburo Kajikawa
  • Electric vacuum cleaner
    Patent number: D454994
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: March 26, 2002
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Osamu Harada, Kazuma Suo