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Tetsumori Aikawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Car navigation system, program and method for updating map data
    • Patent number 8,489,332
    • Issue date Jul 16, 2013
    • Clarion Co., Ltd.
    • Osamu Tomobe
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Map display control apparatus, map information update apparatus, ma...
    • Patent number 6,879,909
    • Issue date Apr 12, 2005
    • Xanavi Informatics Corporation
    • Hideaki Hirano
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Map display apparatus
    • Patent number 6,756,919
    • Issue date Jun 29, 2004
    • Hitachi, Ltd.
    • Yoshinori Endo
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Map display apparatus
    • Patent number 6,603,407
    • Issue date Aug 5, 2003
    • Hitachi, Ltd.
    • Yoshinori Endo
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Map display apparatus
    • Patent number 6,278,383
    • Issue date Aug 21, 2001
    • Hitachi, Ltd.
    • Yoshinori Endo
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Map display apparatus
    • Patent number 5,941,932
    • Issue date Aug 24, 1999
    • Xanavi Information Corporation
    • Tetsumori Aikawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Map display apparatus
    • Patent number 5,917,436
    • Issue date Jun 29, 1999
    • Hitachi, Ltd.
    • Yoshinori Endo
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents