TREA

Jun Hozumi

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  • Miyagi-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Code division multiple access apparatus
    • Patent number 6,061,342
    • Issue date May 9, 2000
    • Tsubouchi; Kazuo
    • Kazuo Tsubouchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Radio IC card system
    • Patent number 6,018,641
    • Issue date Jan 25, 2000
    • Tsubouchi; Kazuo
    • Kazuo Tsubouchi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Radio data transmitter and receiver
    • Patent number 5,995,806
    • Issue date Nov 30, 1999
    • Kazuo Tsubouchi
    • Kazuo Tsubouchi
    • G08 - SIGNALLING
  • Information Patent Grant

    Radio switching apparatus
    • Patent number 5,905,449
    • Issue date May 18, 1999
    • Kazuo Tsubouchi
    • Kazuo Tsubouchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE