Patents by Inventor Ran Iwamoto

Ran Iwamoto 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).

  • Polar word embedding
    Patent number: 11409958
    Abstract: Methods and systems for performing a language processing task include setting an angular coordinate for a vector representation of each of a set of words, based on similarity of the words to one another. A radial coordinate is set for the vector representation of each word, according to hierarchical relationships between the words. A language processing task is performed based on hierarchical word relationships using the vector representations of the words.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: August 9, 2022
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Ran Iwamoto, Ryosuke Kohita, Akifumi Wachi
  • POLAR WORD EMBEDDING
    Publication number: 20220100956
    Abstract: Methods and systems for performing a language processing task include setting an angular coordinate for a vector representation of each of a set of words, based on similarity of the words to one another. A radial coordinate is set for the vector representation of each word, according to hierarchical relationships between the words. A language processing task is performed based on hierarchical word relationships using the vector representations of the words.
    Type: Application
    Filed: September 25, 2020
    Publication date: March 31, 2022
    Inventors: Ran Iwamoto, Ryosuke Kohita, Akifumi Wachi