Patents by Inventor Shouji Mukohara

Shouji Mukohara 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).

  • Optical shunt device
    Patent number: 5133031
    Abstract: An optical shunt device in which a pair of connecting ends (22, 23) for being connected to optical communication fiber sections (11) are divided into three systems. The first of the three systems is a passing-through light conduction path (19) through which light signals in two opposite directions are allowed to pass through between the connecting ends. The second of the three systems is a receiving light conduction path (20) having a first light-receiving end (20a) and a second light-receiving end (20b) each receiving a light signal from the connecting ends (22, 23). The third light path (21) has a first light-transmitting end (21a) and a second light-transmitting end (21b) each transmitting a light signal to the connecting ends.
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: July 21, 1992
    Assignees: Du Pont Opto Electronics Kabushiki Kaisha, Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toshiyasu Tanaka, Toyohiro Kobayashi, Shouji Mukohara
  • Optoelectronic device for an optical communication system
    Patent number: 4948218
    Abstract: An optoelectronic device for use in an optical communication system is disclosed. The optoelectronic device, coupling to each other the ports of a plurality (e.g.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: August 14, 1990
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toyohiro Kobayashi, Shouji Mukohara