Patents by Inventor Hitoshi Tachi

Hitoshi Tachi 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: 5608858
    Abstract: Disclosed herein is a system integrally comprising a CAD system and an electronic filing system. When vector data such as figures and their names are converted to image (raster) data for storage, the system automatically extracts, from the vector data coming from the CAD system, those data that correspond to predetermined character attributes, maximum numeric attributes, primitives of each figure and the topology thereof. The data are set as key-words and are made to correspond to the image data for registration and storage into the electronic filing system. In searching for desired image data, the corresponding key-words are input for data retrieval and output.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: March 4, 1997
    Assignees: Hitachi, Ltd., Hitachi Microsoftware Systems, Inc.
    Inventors: Yasuo Kurosu, Seiichi Kanema, Hitoshi Tachi, Hajime Uchiyama, Masahiro Okumura, Masaaki Fujinawa, Naoaki Kubushiro, Hirowo Shimizu
  • Patent number: 5428727
    Abstract: A system which includes a CAD system and an electronic filing system, wherein when vector data such as figures and their names are converted to image data for storage, the system automatically extracts, from the vector data coming from the CAD system, data that correspond to predetermined character attributes, maximum numeric attributes, primitives of each figure and the topology thereof. The extracted data is set as key-words and made to correspond to the image data for registration and storage in the electronic filing system. In searching for desired image data, key-words corresponding to the desired image data is input for retrieval and output of the desired image data.
    Type: Grant
    Filed: February 16, 1993
    Date of Patent: June 27, 1995
    Inventors: Yasuo Kurosu, Seiichi Kanema, Hitoshi Tachi, Hajime Uchiyama, Masahiro Okumura, Masaaki Fujinawa, Naoaki Kubushiro, Hirowo Shimizu