Patents by Inventor Hideaki Tajima

Hideaki Tajima 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: 6522814
    Abstract: Wirings of optical fiber cable to a building having at least one story including optical core wires or taped optical core wires including at least one wire for use on each story and at least one reserve wire for use on each story upon a change in demand. The wires are wired such that a center portion is situated at an upper portion of the building and both ends are situated at a lower portion of the building. A connector part is arranged in each story and connected to the optical core wires or taped optical core wires for use on that story.
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: February 18, 2003
    Assignee: Toyokuni Electric Cable Co., Ltd.
    Inventors: Osamu Yoshida, Hajime Tamura, Fumihiro Akizuki, Hideaki Tajima
  • Publication number: 20020181905
    Abstract: Without performing serious work of connection by connector attachment etc. on the spot, it can operate at a factory and the principal cable can be wired using the branch implement that can be attached by easy work on the spot. In addition, the ratio of the number of optical core wires of the external wiring in reserve and the branch cable for stories can be freely chosen, and change when demand change arises and the increase in a circuit can also be performed very easily.
    Type: Application
    Filed: June 5, 2001
    Publication date: December 5, 2002
    Applicant: Toyokuni Electric Cable Co., Ltd.
    Inventors: Osamu Yoshida, Hajime Tamura, Fumihiro Akizuki, Hideaki Tajima