TREA

Akira Ohba

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  • Asaka-shi, Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dry coating method
    • Patent number 5,378,507
    • Issue date Jan 3, 1995
    • Sakae Electronics Industrial Co., Ltd.
    • Kazuo Ohba
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    ECR plasma process
    • Patent number 5,370,779
    • Issue date Dec 6, 1994
    • Sakae Electronics Industrial Co., Ltd.
    • Kazuo Ohba
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for boring small holes in substrate material
    • Patent number 5,322,985
    • Issue date Jun 21, 1994
    • Sakae Electronics Industrial Co., Ltd.
    • Kazuo Ohba
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR