Patents by Inventor Hironari Iwasaki

Hironari Iwasaki 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).

  • Navigation system and a memory medium
    Patent number: 6807480
    Abstract: A vicinity search using register point data in a designated area reduces search time. The vicinity search data include at least category information, names of register points and country information. The search device conducts the vicinity search by specifying any one of category information to which the register points belong, names of the register points and country information, or a combination, by option and display. The search device further uses category information with flags representing the presence and absence of the register point data, whereby the register point data are searched by referring to the flags.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: October 19, 2004
    Assignee: Aisin AW Co., Ltd.
    Inventors: Hironari Iwasaki, Shogo Ito, Kazuhiro Ikeda, Koji Kato, Yasuyuki Takeda