Patents by Inventor Noriyuki Enomoto

Noriyuki Enomoto 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).

  • Information searching apparatus for searching text to retrieve character streams agreeing with a key word
    Patent number: 5715446
    Abstract: A plurality of characters arranged in a text are numbered in order of occurrence for each character type, and an occurrence number table in which one or more occurrence numbers are listed for each character type is prepared in an occurrence number preparing unit. Also, a set of two character types is defined as a character pattern, and a set of two occurrence numbers of two adjacent characters of which types correspond to one character pattern is defined as an occurrence number pattern. One or more occurrence number patterns respectively corresponding to one character pattern are arranged for each character pattern, and a list of occurrence number patterns is prepared as an index file in an index file preparing unit.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: February 3, 1998
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tetsuya Kinoshita, Takamasa Oyama, Chuichi Kikuchi, Noriyuki Enomoto, Hirobumi Shinoki