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Hirokazu Andou

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Impact printer with reduced electrocorrosion using Zener diode for...
    • Patent number 5,611,631
    • Issue date Mar 18, 1997
    • Oki Electric Industry Co., Ltd.
    • Noboru Ooishi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Print gap setting in an impact printer
    • Patent number 5,474,391
    • Issue date Dec 12, 1995
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Self-adjusting controller for dot impact printer
    • Patent number 5,439,302
    • Issue date Aug 8, 1995
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Apparatus for driving adjacent elements in a wire-dot print head
    • Patent number 5,356,228
    • Issue date Oct 18, 1994
    • Oki Electric Industry Co., Ltd.
    • Tatsuya Koyama
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Solenoid actuator
    • Patent number 5,310,271
    • Issue date May 10, 1994
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Wire print head and process for fabricating it
    • Patent number 5,232,295
    • Issue date Aug 3, 1993
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Wire driving mechanism
    • Patent number 5,167,458
    • Issue date Dec 1, 1992
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Wire dot print head
    • Patent number 5,165,808
    • Issue date Nov 24, 1992
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Wire-dot print head
    • Patent number 5,137,380
    • Issue date Aug 11, 1992
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Wire dot printer head with oil absorbing member
    • Patent number 5,033,884
    • Issue date Jul 23, 1991
    • Oki Electric Industry Co., Ltd.
    • Tetsuhiro Yamada
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Corrosion suppressing ink ribbon
    • Patent number 5,017,029
    • Issue date May 21, 1991
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Armature of printing head for use in wire printer
    • Patent number 4,974,975
    • Issue date Dec 4, 1990
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method of producing a movable part of a wire-dot print head
    • Patent number 4,962,876
    • Issue date Oct 16, 1990
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Wire dot print head with a pair of guide nose halves
    • Patent number 4,950,092
    • Issue date Aug 21, 1990
    • Oki Electric Industry Co., Ltd.
    • Hiroshi Kikuchi
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Wire-dot print head
    • Patent number 4,906,116
    • Issue date Mar 6, 1990
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Andou
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Wire-type printing head
    • Patent number 4,820,065
    • Issue date Apr 11, 1989
    • Oki Electric Industry Co., Ltd.
    • Tatsuya Koyama
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS