Patents by Inventor Takeshi Kowa

Takeshi Kowa 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: 9059615
    Abstract: A motor of the invention has a rotary body of a rotor, and the rotary body includes an outer core constituting an outer portion of the rotary body, an inner core constituting an inner portion connected to a shaft, and a dielectric layer disposed between the outer core and the inner core. The outer core has a protruding portion that protrudes inward from an inner surface thereof, and the inner core has a protruding portion that protrudes outward from an outer surface thereof, wherein the outer core and the inner core are so disposed that an end face of the protruding portion of the outer core and an end face of the protruding portion of the inner core confront partially with respect to each other.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: June 16, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Takeshi Kowa, Hiroaki Kawasaki, Akihiko Watanabe, Tatsuo Maetani, Yoshinori Isomura
  • Publication number: 20140015363
    Abstract: A motor of the invention has a rotary body of a rotor, and the rotary body includes an outer core constituting an outer portion of the rotary body, an inner core constituting an inner portion connected to a shaft, and a dielectric layer disposed between the outer core and the inner core. The outer core has a protruding portion that protrudes inward from an inner surface thereof, and the inner core has a protruding portion that protrudes outward from an outer surface thereof, wherein the outer core and the inner core are so disposed that an end face of the protruding portion of the outer core and an end face of the protruding portion of the inner core confront partially with respect to each other.
    Type: Application
    Filed: April 19, 2013
    Publication date: January 16, 2014
    Applicant: Panasonic Corporation
    Inventors: Takeshi KOWA, Hiroaki KAWASAKI, Akihiko WATANABE, Tatsuo MAETANI, Yoshinori ISOMURA
  • Publication number: 20100058817
    Abstract: A drum type washing machine of the present invention is a direct-drive washing machine including a washing-machine casing; a rotating drum with its drum rotation shaft horizontal or inclined; and a motor driving the rotating drum. The motor has a stator including a coil wound in a toroidal winding form and first molding resin; and a twin-type rotor including an outer rotor, an inner rotor, and second molding resin integrally molding them.
    Type: Application
    Filed: April 8, 2008
    Publication date: March 11, 2010
    Applicant: Panasonic Corporation
    Inventors: Yuichi Yoshikawa, Hu Li, Masahiko Morisaki, Hiroshi Murakami, Yuichiro Tashiro, Yoshio Kobayashi, Takeshi Kowa, Yukinori Nakagawa