Toshiya Hatakeyama

Person

  • Hiratsuka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Dust removing apparatus and dust removing method

    • Patent number 5,895,521
    • Issue date Apr 20, 1999
    • Japan Pionics Co., Ltd.
    • Kenji Otsuka
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Cleaning agent of harmful gas and cleaning method

    • Patent number 5,670,445
    • Issue date Sep 23, 1997
    • Japan Pionics Co., Ltd.
    • Koichi Kitahara
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for cleaning harmful gas

    • Patent number 5,662,872
    • Issue date Sep 2, 1997
    • Japan Pionics Co., Ltd.
    • Takashi Shimada
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for cleaning harmful gas

    • Patent number 5,597,540
    • Issue date Jan 28, 1997
    • Japan Pionics Co., Ltd.
    • Noboru Akita
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for cleaning harmful gas

    • Patent number 5,512,262
    • Issue date Apr 30, 1996
    • Japan Pionics Co., Ltd.
    • Takashi Shimada
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for cleaning harmful gas

    • Patent number 5,417,948
    • Issue date May 23, 1995
    • Japan Pionics Co., Ltd.
    • Keiichi Iwata
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Process for cleaning harmful gas

    • Patent number 5,378,444
    • Issue date Jan 3, 1995
    • Japan Pionics Co., Ltd.
    • Noboru Akita
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL