Patents by Inventor Keisuke Takamori

Keisuke Takamori 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).

  • Learning apparatus
    Patent number: 5888071
    Abstract: A device for teaching, language skills is disclosed. In the teaching device, a predetermined number of questions are displayed on a display. The predetermined number is determined dependent on a level of a learner. The learner inputs answers to the questions to be displayed on the display. The answers are discriminated to be correct or incorrect. The device teaches correct answers for the incorrect answers repeatedly.A question for a level of the learner which is higher than a predetermined level is removed from the predetermined number of questions.
    Type: Grant
    Filed: March 23, 1998
    Date of Patent: March 30, 1999
    Inventor: Keisuke Takamori