TREA

Toshimi Sasaki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Rollers for rolling mills
    • Patent number 4,941,251
    • Issue date Jul 17, 1990
    • Hitachi, Ltd.
    • Masahisa Sobue
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Rollers for rolling mills
    • Patent number 4,839,949
    • Issue date Jun 20, 1989
    • Hitachi, Ltd.
    • Masahisa Sobue
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Diffusion bonding method using a high energy beam
    • Patent number 4,691,856
    • Issue date Sep 8, 1987
    • Hitachi, Ltd.
    • Takashi Haramaki
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and apparatus for quenching
    • Patent number 4,509,995
    • Issue date Apr 9, 1985
    • Hitachi, Ltd.
    • Takeshi Hachisu
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Method for heat treatment of titanium alloy
    • Patent number 4,098,623
    • Issue date Jul 4, 1978
    • Hitachi, Ltd.
    • Yoshiro Ibaraki
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...