Patents by Inventor Takemitsu Higuchi

Takemitsu Higuchi 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).

  • Power line switching apparatus
    Patent number: 5754045
    Abstract: A semiconductor switching circuit using semiconductor devices includes steep front wave thyristors which are connected in parallel and inverse with each other in their forward directions. An inductor is connected in series between a power source and the semiconductor switching circuit. The semiconductor switching circuit has an instant disconnection time of 100 to 1000 microseconds.
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: May 19, 1998
    Assignees: The Kansai Electric Power Co., Inc., Kansai Tech Corporation
    Inventor: Takemitsu Higuchi