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Hirokazu Ando

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lenticular lens medium
    • Patent number 7,872,805
    • Issue date Jan 18, 2011
    • Oki Data Corporation
    • Takao Mizutani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Lenticular lens medium
    • Patent number 7,852,563
    • Issue date Dec 14, 2010
    • Oki Data Corporation
    • Takao Mizutani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Transfer roller
    • Patent number 6,293,895
    • Issue date Sep 25, 2001
    • Oki Data Corporation
    • Tatsuya Koyama
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Semiconductive roller
    • Patent number 6,179,761
    • Issue date Jan 30, 2001
    • Oki Data Corporation
    • Masao Isoda
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Cleaning roller
    • Patent number 6,118,970
    • Issue date Sep 12, 2000
    • Oki Data Corporation
    • Masayuki Suzuki
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method of cleaning residual toner from drum and rollers of image fo...
    • Patent number 6,081,679
    • Issue date Jun 27, 2000
    • Oki Data Corporation
    • Tsutomu Yamane
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Method of manufacturing an ink jet head
    • Patent number 6,023,825
    • Issue date Feb 15, 2000
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Ando
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Method of manufacturing developing roller
    • Patent number 5,975,993
    • Issue date Nov 2, 1999
    • Oki Data Corporation
    • Masao Isoda
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Piezoelectric ink jet head having electrodes connected by anisotrop...
    • Patent number 5,844,587
    • Issue date Dec 1, 1998
    • Oki Data Corporation
    • Hirokazu Ando
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Semiconductive silicone rubber compositions and semiconductive sili...
    • Patent number 5,725,922
    • Issue date Mar 10, 1998
    • Shin-Etsu Chemical Co., Ltd.
    • Tsutomu Nakamura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Roller for electrophotographic development apparatus
    • Patent number 5,610,695
    • Issue date Mar 11, 1997
    • Oki Electric Industry Co., Ltd.
    • Takao Mizutani
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Wire-type printing head
    • Patent number 4,913,569
    • Issue date Apr 3, 1990
    • Oki Electric Industry Co., Ltd.
    • Tatsuya Koyama
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Wire dot-printing head
    • Patent number 4,692,043
    • Issue date Sep 8, 1987
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Ando
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Printer head for serial dot printer
    • Patent number 4,368,353
    • Issue date Jan 11, 1983
    • Oki Electric Industry Co., Ltd.
    • Hirokazu Ando
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    LENTICULAR LENS MEDIUM
    • Publication number 20090231716
    • Publication date Sep 17, 2009
    • Oki Data Corporation
    • Takao MIZUTANI
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    LENTICULAR LENS MEDIUM
    • Publication number 20090231717
    • Publication date Sep 17, 2009
    • Oki Data Corporation
    • Takao Mizutani
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...