Patents by Inventor Osamu Mase

Osamu Mase 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).

  • Patent number: 4833547
    Abstract: In an portable facsimile equipment comprising a cover body and a main body: the cover body having a reading head and a printing head is pivotally connected to the main body having a reading roller, a printing roller, a roll body and respective driving unit.And a cover body closing device for use in above portable facsimile equipment compirses a lock piece, a lock pin, urging unit, locking unit and an unlocking unit.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: May 23, 1989
    Assignee: Nissei Opto Co., Ltd.
    Inventor: Osamu Mase