TREA

Junji Shirai

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  • Okayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical molding method
    • Patent number 5,089,185
    • Issue date Feb 18, 1992
    • Mitsui Engineering & Shipbuilding Co., Ltd.
    • Yoshinao Hirano
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Optical molding apparatus and movable base device therefor
    • Patent number 5,009,585
    • Issue date Apr 23, 1991
    • Mitsui Engineering & Shipbuilding Co., Ltd.
    • Yoshinao Hirano
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL