Patents by Inventor Hiromasa Nemoto

Hiromasa Nemoto 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).

  • Business process simulation system
    Patent number: 5999724
    Abstract: A simulation system in a work flow control system confirms whether or not prepared business process defining information is valid. The simulation system receives as an input thereto a false case including a name of a document, an attribute name belonging to the document, and attribute values to be selected; virtually moves the false case from a node to another node according to the business process defining information, simulates a process conducted in each node, and generates a journal of these processes.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: December 7, 1999
    Assignee: Hitachi, Ltd.
    Inventors: Mototsugu Iwasa, Hiromasa Nemoto, Hirofumi Kondoh, Hirotoshi Ise
  • Filter insertion type of optical branch apparatus
    Patent number: 5949928
    Abstract: An optical filter is provided to be on a side of the output ports relative to a branch port of the first stage in an optical branch apparatus. The optical filter transmits a signal light and reflects a monitor light, so that signal lights are obtained at output ports, and the monitor light is returned to an optical transmitter to detect an abnormal state of an optical fiber transmission line.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: September 7, 1999
    Assignee: Hitachi Cable, Ltd.
    Inventors: Takayuki Kadoi, Yoshiyuki Hiramoto, Hiromasa Nemoto
  • Business process simulation system
    Patent number: 5887154
    Abstract: A simulation system in a work flow control system confirms whether or not prepared business process defining information is valid. The simulation system receives as an input thereto a false case including a name of a document, an attribute name belonging to the document, and attribute values to be selected; virtually moves the false case from a node to another node according to the business process defining information, simulates a process conducted in each node, and generates a journal of these processes.
    Type: Grant
    Filed: January 4, 1996
    Date of Patent: March 23, 1999
    Assignee: Hitachi, Ltd.
    Inventors: Mototsugu Iwasa, Hiromasa Nemoto, Hirofumi Kondoh, Hirotoshi Ise