Patents by Inventor Noboro Tsuboi

Noboro Tsuboi 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).

  • Screw compressor for refrigerating apparatus
    Publication number: 20010054294
    Abstract: The present invention provides a screw compressor for refrigerating apparatus capable of controlling the rotational speed of a motor to be suitable for cooling heat load by simply controlling an inverter, without causing the overload of the motor.
    Type: Application
    Filed: June 20, 2001
    Publication date: December 27, 2001
    Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Inventor: Noboro Tsuboi