TREA

Tsutomu Shigeta

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Work following apparatus and method for press working
    • Patent number 4,805,439
    • Issue date Feb 21, 1989
    • Oki Electric Industry Co., Ltd.
    • Shigeo Kobayashi
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Automatic parts handling apparatus
    • Patent number 4,720,228
    • Issue date Jan 19, 1988
    • Oki Electric Industry Co., Ltd.
    • Hujio Horiguchi
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL