Patents by Inventor Noriaki Yokoyama

Noriaki Yokoyama 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: 5983171
    Abstract: An auto-index method enabling to select words used for heading of an index based on an indexing object extraction condition set by a user. In order to generate an index intended for electronic document files, words and phrases are extracted from document files that may become an object for creating an index, the positions of words and phrases on an electronic publication at the time of extracting are extracted, an indexing object extraction condition inputted by a user is received and extracted words and phrases and the indexing object extraction condition are compared with each other to thereby extract index objective words and phrases.
    Type: Grant
    Filed: January 2, 1997
    Date of Patent: November 9, 1999
    Assignee: Hitachi, Ltd.
    Inventors: Yooichi Yokoyama, Miho Matsushita, Yuuji Ootani, Noriaki Yokoyama
  • Patent number: D367488
    Type: Grant
    Filed: March 13, 1995
    Date of Patent: February 27, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroshi Takano, Miho Fujii, Noriaki Yokoyama, Noriyuki Arai
  • Patent number: D395873
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: July 7, 1998
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Noriaki Yokoyama, Miho Fujii
  • Patent number: D420033
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: February 1, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroshi Takano, Miho Fujii, Noriaki Yokoyama
  • Patent number: D422573
    Type: Grant
    Filed: March 9, 1999
    Date of Patent: April 11, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroshi Takano, Miho Fujii, Noriaki Yokoyama
  • Patent number: D422574
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: April 11, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Miho Fujii, Noriaki Yokoyama
  • Patent number: D425539
    Type: Grant
    Filed: April 20, 1999
    Date of Patent: May 23, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Miho Fujii, Hiroshi Takano, Noriaki Yokoyama