TREA

Shin-ichi Ojika

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    CVD method of manufacturing diamond crystal
    • Patent number 6,060,118
    • Issue date May 9, 2000
    • Tokyo Gas Co., Ltd.
    • Takefumi Ishikura
    • C30 - CRYSTAL GROWTH
  • Information Patent Grant

    Diamond crystal
    • Patent number 5,792,556
    • Issue date Aug 11, 1998
    • Tokyo Gas Chemicals, Co., Ltd.
    • Takefumi Ishikura
    • C30 - CRYSTAL GROWTH