Patents by Inventor Hiroshi Matsuhashi

Hiroshi Matsuhashi 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).

  • Fire alarm system
    Patent number: 5654690
    Abstract: Disclosed is an improved fire alarm system for an information providing system having a plurality of terminal devices for providing information to a plurality of operators, respectively. The fire alarm system is provided with a fire detecting sensors. If a fire is detected, a predetermined signal is transmitted to a controller. The controller controls each of the plurality of terminal devices to indicate an alarm information to the operator when the predetermined signal is received.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: August 5, 1997
    Assignees: Brother Kogyo Kabushiki Kaisha, Xing Inc., Intec Inc.
    Inventors: Seiko Ishikawa, Takayoshi Urano, Kazunori Ikami, Yoshihiko Hibino, Masaru Yasuda, Yasuhiro Funahashi, Naomi Moriguchi, Hiroshi Matsuhashi, Tatsuo Matsuda, Kazuhiro Fujii