Patents by Inventor Hitoshi Otagoshi

Hitoshi Otagoshi 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: 3961175
    Abstract: The invention discloses a portable battery-operated electric light comprising, in general, a main body consisting of a power source section for storing therein dry cells and a handle section formed integral with the power source section; an arm member having its one end pivoted to one end of the handle section; and a head section pivoted to the other end of the arm member. The head section includes a substantially dome-shaped reflector provided with a center hole through which a light bulb may be displaced into and out of the reflector in the direction of the optical axis thereof; a front light transmitting window formed at the front of the reflector; a rear light transmitting window formed through the housing of the head section at the back of the reflector; and a slide control switch.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: June 1, 1976
    Assignees: Matsushita Electric Industrial Co., Ltd., Aoki Electric Industrial Co., Ltd.
    Inventor: Hitoshi Otagoshi