TREA

Koji Sakamaki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Chuck apparatus
    • Patent number 11,364,546
    • Issue date Jun 21, 2022
    • Yukiwa Seiko Inc.
    • Kazuo Sakamaki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill chuck
    • Patent number D837012
    • Issue date Jan 1, 2019
    • YUKIWA SEIKO INC.
    • Kazuo Sakamaki
    • D08 - Tools and hardware
  • Information Patent Grant

    Drill chuck
    • Patent number D837011
    • Issue date Jan 1, 2019
    • YUKIWA SEIKO INC.
    • Kazuo Sakamaki
    • D08 - Tools and hardware
  • Information Patent Grant

    Drill chuck
    • Patent number D837014
    • Issue date Jan 1, 2019
    • YUKIWA SEIKO INC.
    • Kazuo Sakamaki
    • D08 - Tools and hardware
  • Information Patent Grant

    Drill chuck
    • Patent number D837013
    • Issue date Jan 1, 2019
    • YUKIWA SEIKO INC.
    • Kazuo Sakamaki
    • D08 - Tools and hardware

Patents Applicationslast 30 patents

  • Information Patent Application

    CHUCK APPARATUS
    • Publication number 20210170499
    • Publication date Jun 10, 2021
    • YUKIWA SEIKO INC.
    • Kazuo SAKAMAKI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR