TREA

Katsuyoshi Sakamoto

Follow

Person

  • Isehara, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Punch press
    • Patent number 4,901,427
    • Issue date Feb 20, 1990
    • Amada Company, Limited
    • Katsuyoshi Sakamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool exchange apparatus
    • Patent number 4,843,704
    • Issue date Jul 4, 1989
    • Amada Company, Limited
    • Katsuyoshi Sakamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Die exchange device
    • Patent number 4,680,955
    • Issue date Jul 21, 1987
    • Amada Company, Limited
    • Katsuyoshi Sakamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bending machine and a die changing system for such bending machine
    • Patent number 4,658,625
    • Issue date Apr 21, 1987
    • Amada Company, Limited
    • Shigeo Koyama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Bending machine and a die changing system for such bending machine
    • Patent number 4,656,861
    • Issue date Apr 14, 1987
    • Amada Company, Limited
    • Shigeo Koyama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Punch press having retractable punching tools
    • Patent number 4,558,616
    • Issue date Dec 17, 1985
    • Amada Company, Limited
    • Katsuyoshi Sakamoto
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Turret punch presses having tool holders rotatably mounted in the t...
    • Patent number 4,412,469
    • Issue date Nov 1, 1983
    • Amada Company, Ltd.
    • Tadashi Hirata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...