Patents by Inventor Tomohiko Kamimura

Tomohiko Kamimura 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).

  • Headphone
    Patent number: 4409442
    Abstract: First ends of first and second band pieces with a shape of a circular arc are rotatably connected with each other such that the angle formed therebetween is prevented from exceeding a predetermined angle. End pieces are slidably mounted respectively on the other ends of the first and second band pieces along the direction of extension thereof and receivers of the headphone are mounted on the respective ends of the end pieces.
    Type: Grant
    Filed: April 30, 1981
    Date of Patent: October 11, 1983
    Assignee: Hosiden Electronics Co., Ltd.
    Inventor: Tomohiko Kamimura