Patents by Inventor Toshio Ookubo

Toshio Ookubo 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).

  • Cooking apparatus employing a purging device
    Patent number: 4113439
    Abstract: A cooking apparatus employing a purging device.In the apparatus, an exhaust gas which is produced from food being cooked in a cooking chamber is passed through the purging device and is exhausted to the exterior of the chamber at a temperature of 130.degree. C or at a discharge rate of higher than 0.5 m/sec thereby being purged sufficiently.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: September 12, 1978
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshio Ookubo, Atsushi Nishino, Tadashi Suzuki