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Ryuji Soga

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  • Sayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing preform for connecting rod
    • Patent number 6,490,790
    • Issue date Dec 10, 2002
    • Honda Giken Kogyo Kabushiki Kaisha
    • Ryuji Soga
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of manufacturing connecting rod
    • Patent number 6,427,326
    • Issue date Aug 6, 2002
    • Honda Giken Kogyo Kabushiki Kaisha
    • Ryuji Soga
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of forming metallic product
    • Patent number 5,054,301
    • Issue date Oct 8, 1991
    • Honda Giken Kogyo Kabushiki Kaisha
    • Ryuji Soga
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...