Patents by Inventor Seigou Torita

Seigou Torita 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: 6150794
    Abstract: The charging system of the invention comprises a primary charging device 4 disposed at a predetermined location, and a secondary charging device 6 mounted on the body 1 of a bicycle. The secondary charging device 6 comprises a secondary coil unit 50, rectifying circuit and charging control circuit which are housed in a casing 610. The secondary coil unit 50 is connected to a battery 20 mounted on the bicycle body 1 by a cord, and comprises a secondary coil 502 provided around an iron core 501. On the other hand, the primary charging device 4 comprises a primary coil unit 30 and charging circuit which are housed in a casing 410. The primary coil unit 30 comprises a primary coil 302 provided around an iron core 301. When the secondary coil unit 50 is positioned close to the primary coil unit 30, the battery 20 can be charged by the charging system.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: November 21, 2000
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Makoto Yamada, Hiroshi Kutsuyama, Hideaki Aoki, Seigou Torita, Kazushige Kakutani, Seiji Murakami, Keiji Kishimoto, Masahiro Maekawa