TREA

Masahiko Kaburaki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for a sea-bottom walking experience and apparatus for a sea-...
    • Patent number 5,906,200
    • Issue date May 25, 1999
    • Tohgun Kigyo Co., Ltd.
    • Masahiko Kaburaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Diving helmet
    • Patent number 5,159,923
    • Issue date Nov 3, 1992
    • Tohgun Kigyo Co., Ltd.
    • Masahiko Kaburaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Diving helmet
    • Patent number 5,079,775
    • Issue date Jan 14, 1992
    • Tohgun Kigyo Co., Ltd.
    • Masahiko Kaburaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT