Patents by Inventor Makoto Kusano

Makoto Kusano 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).

  • Oil impregnated electric device
    Patent number: 4053941
    Abstract: There is disclosed an oil impregnated electric device in which an element of the device is impregnated with a mixture of an arylalkane compound such as 1,1-phenylxylyl ethane and an organic phosphorus compound such as phosphate or phosphite. Such electric device has a high power density (i.e., capable of withstanding high electric field) and a high reliability.
    Type: Grant
    Filed: June 6, 1975
    Date of Patent: October 11, 1977
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tokihiko Shimizu, Yasuo Iijima, Makoto Kusano