TREA

Kinpei Okano

Follow

Person

  • Hitachi, JA
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Grooved spherical bearing for vertical machines
    • Patent number 4,093,320
    • Issue date Jun 6, 1978
    • Hitachi, Ltd.
    • Ryoichi Kaneko
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Vertical type antifriction bearing device
    • Patent number 4,037,890
    • Issue date Jul 26, 1977
    • Hitachi, Ltd.
    • Seiichi Kurita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multiple-row roller bearing
    • Patent number 3,940,191
    • Issue date Feb 24, 1976
    • Hitachi, Ltd.
    • Shunzo Tomioka
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...