TREA

Takeo Yuminaka

Follow

Person

  • Katsuta, JA
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Elevator car call selection apparatus
    • Patent number 4,039,049
    • Issue date Aug 2, 1977
    • Hitachi, Ltd.
    • Kennzi Yoneda
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator control system
    • Patent number 4,030,571
    • Issue date Jun 21, 1977
    • Hitachi, Ltd.
    • Takashi Kaneko
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator control apparatus
    • Patent number 4,030,572
    • Issue date Jun 21, 1977
    • Hitachi, Ltd.
    • Takashi Kaneko
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator control system
    • Patent number 3,999,631
    • Issue date Dec 28, 1976
    • Hitachi, Ltd.
    • Tatsuo Iwasaka
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator control apparatus
    • Patent number 3,973,649
    • Issue date Aug 10, 1976
    • Hitachi, Ltd.
    • Tatsuo Iwasaka
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Control apparatus for elevators
    • Patent number 3,967,702
    • Issue date Jul 6, 1976
    • Hitachi, Ltd.
    • Tatsuo Iwaska
    • B66 - HOISTING LIFTING HAULING