Patents by Inventor Tatsuhiro Ohira

Tatsuhiro Ohira 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).

  • Speaker and speaker system
    Patent number: 6804365
    Abstract: A speaker includes a main speaker part, and a case for containing and holding the main speaker part therein. A peripheral portion of a front side of the main speaker part is attached to a peripheral portion of the case, surrounding a hole formed in a front side of the case by placing a gasket cushion between both peripheral portions. The speaker further includes an internal rod, attached to a rear side of the main speaker part, for functioning as an imaginary ground.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: October 12, 2004
    Assignees: Fujitsu Limited, Timedomain Corporation, Authentic, Ltd.
    Inventors: Tatsuhiro Ohira, Yasuo Satoh, Hiroyuki Yoshii, Kaoru Shimamura, Kunio Kosaka, Yutaka Kobayashi
  • Speaker and speaker system
    Publication number: 20020114485
    Abstract: A speaker includes a main speaker part, and a case for containing and holding the main speaker part therein. A peripheral portion of a front side of the main speaker part is attached to a peripheral portion of the case, surrounding a hole formed in a front side of the case by placing a gasket cushion between both peripheral portions. The speaker further includes an internal rod, attached to a rear side of the main speaker part, for functioning as an imaginary ground.
    Type: Application
    Filed: February 13, 2002
    Publication date: August 22, 2002
    Applicant: FUJITSU LIMITED
    Inventors: Tatsuhiro Ohira, Yasuo Satoh, Hiroyuki Yoshii, Kaoru Shimamura, Kunio Kosaka, Yutaka Kobayashi