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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vertical motion impeller-type shot peening device and coil spring
    • Patent number 10,836,013
    • Issue date Nov 17, 2020
    • NHK Spring Co., Ltd.
    • Senri Moriyama
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Coil spring processing device
    • Patent number 10,807,215
    • Issue date Oct 20, 2020
    • NHK Spring Co., Ltd.
    • Hideki Okada
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Vertical motion impeller-type shot peening device and coil spring
    • Patent number 10,315,287
    • Issue date Jun 11, 2019
    • NHK Spring Co., Ltd.
    • Senri Moriyama
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Seal
    • Patent number D788018
    • Issue date May 30, 2017
    • NHK SPRING CO., LTD.
    • Masaya Komazaki
    • D12 - Transportation
  • Information Patent Grant

    Seal
    • Patent number D787421
    • Issue date May 23, 2017
    • NHK SPRING CO., LTD.
    • Masaya Komazaki
    • D12 - Transportation
  • Information Patent Grant

    Seal
    • Patent number D786172
    • Issue date May 9, 2017
    • NHK SPRING CO., LTD.
    • Masaya Komazaki
    • D12 - Transportation
  • Information Patent Grant

    Seal
    • Patent number D764385
    • Issue date Aug 23, 2016
    • NHK SPRING CO., LTD.
    • Masaya Komazaki
    • D12 - Transportation

Patents Applicationslast 30 patents