Patents by Inventor Tsutomu Nanjo

Tsutomu Nanjo 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).

  • Patent number: 5778361
    Abstract: A method and system for fast indexing and searching of text in compound-word languages such as Japanese, Chinese, Hebrew, and Arabic. Computer codings of such compound-word languages often contain different character types, e.g. the shift-JIS coding of Japanese represents kanji, katakana, hiragana, and roman characters with different codings in the same character set, to form index terms and search terms. In a preferred embodiment, a content-index search system is invoked in response to a query on a collection of objects. The collection of objects is indexed by the content-index and may, for example, be a corpus of documents indexed by the terms contained in the documents. A content-index search system uses the content-index to generate and store an initial search result in response to the query; a direct search system is used in certain situations. The content-index contains, for each of a plurality of terms, a reference to each object.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: July 7, 1998
    Assignee: Microsoft Corporation
    Inventors: Tsutomu Nanjo, William Jones