Patents by Inventor Harold H. Oshima

Harold H. Oshima 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).

  • PBX system communications device
    Patent number: 5222124
    Abstract: A PBX communications device is disclosed. The PBX communications device permits communication between a PBX and an adjunct processor. The present invention uses direct communications with a PBX line card as the source of information for the adjunct processor and translates the information to a form usable by the adjunct processor.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: June 22, 1993
    Assignee: VMC Systems, Inc.
    Inventors: Mario Castaneda, Harold H. Oshima