Patents by Inventor Takemi Namba

Takemi Namba 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).

  • Light shielding structure
    Patent number: 6733143
    Abstract: There is provided a light shielding apparatus with a light shielding seal 1 that reduces a sliding resistance and, at the same time, improves light shielding property and realizes saving of a space. There is provided a light shielding structure that is provided between a plurality of members 13 and 14, which are arranged to be able to move relatively to each other spaced a predetermined distance apart, and is capable of preventing light from entering from a gap to be formed between these plurality of members 13 and 14, having magnetic force generating means 2 and 3 that are disposed in any one of the above-mentioned plurality of members 13 and 14 and magnetic fluid 4 which is magnetically held by the magnetic force generating means 2 and 3 and contacts the other member and shielding a gap, which is formed between the above-mentioned plurality of members 13 and 14, by the above-mentioned magnetic fluid 4.
    Type: Grant
    Filed: November 28, 2001
    Date of Patent: May 11, 2004
    Assignee: NOK Corporation
    Inventors: Hiroshi Anzai, Takemi Namba, Hirokazu Yamamoto, Yoshimi Imamoto, Takao Kanno