Patents by Inventor Keiko Ohshiro

Keiko Ohshiro 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).

  • Sample container sealer having function of setting load
    Patent number: 5718097
    Abstract: The invention comprises a DC motor and a mechanism for converting a rotational motion of the DC motor to a linear motion in a vertical direction; a jig driven by the DC motor for performing sealing of a sample container; a DC power source; a section for controlling power supplied from the DC power source to the DC motor; a circuit for detecting a value of current flowing from the DC power source to the DC motor; a section for setting a predetermined load to be applied to the jig when the sample container is sealed by the jig; and a comparator connected to the load setting section and the current value detecting circuit.
    Type: Grant
    Filed: July 30, 1996
    Date of Patent: February 17, 1998
    Assignee: Seiko Instruments Inc.
    Inventors: Ryoichi Kinoshita, Keiko Ohshiro