TREA

Toshio Akesaka

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for replacement of existing pipes and device for carrying ou...
    • Patent number 6,149,346
    • Issue date Nov 21, 2000
    • Toho Gas Co., Ltd.
    • Nobuhisa Takamatsu
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Vertical hole excavating machine
    • Patent number 5,797,202
    • Issue date Aug 25, 1998
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shield excavator
    • Patent number 5,538,362
    • Issue date Jul 23, 1996
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shield tunneling machine
    • Patent number 5,393,172
    • Issue date Feb 28, 1995
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Conveyor
    • Patent number 5,392,897
    • Issue date Feb 28, 1995
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Shielding apparatus
    • Patent number 5,370,479
    • Issue date Dec 6, 1994
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for controlling direction of excavating machine
    • Patent number 5,296,915
    • Issue date Mar 22, 1994
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for laying pipe
    • Patent number 5,193,938
    • Issue date Mar 16, 1993
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Rectangular shield excavating machine
    • Patent number 5,190,407
    • Issue date Mar 2, 1993
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rotary actuator
    • Patent number 5,157,982
    • Issue date Oct 27, 1992
    • Kabushiki Kaisha Isekikaihatsu Koki
    • Toshio Akesaka
    • B08 - CLEANING
  • Information Patent Grant

    Shield tunnelling machine
    • Patent number 5,123,708
    • Issue date Jun 23, 1992
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shield tunnelling machine
    • Patent number 5,102,201
    • Issue date Apr 7, 1992
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method for boring hole in the ground and apparatus therefor
    • Patent number 5,078,545
    • Issue date Jan 7, 1992
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Direction correcting device for shield tunnelling machine
    • Patent number 5,061,120
    • Issue date Oct 29, 1991
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Inside processing apparatus
    • Patent number 5,054,976
    • Issue date Oct 8, 1991
    • Kabushiki Kaisha Isekikaihatsu Koki
    • Toshio Akesaka
    • B08 - CLEANING
  • Information Patent Grant

    Liner for pipeline repair and method for repairing pipelines
    • Patent number 5,035,539
    • Issue date Jul 30, 1991
    • Toa Grout Kogyo Kabushiki Kaishi
    • Takayuki Kawafuji
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Intermediate pipe-jacking apparatus
    • Patent number 5,013,189
    • Issue date May 7, 1991
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Crushing machine
    • Patent number 4,964,580
    • Issue date Oct 23, 1990
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Vertical type conveyor
    • Patent number 4,936,441
    • Issue date Jun 26, 1990
    • Kabushiki Kaisha Iseki Kaihatsu Kaki
    • Toshio Akesaka
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Existing pipeline renewing method and apparatus therefor
    • Patent number 4,915,543
    • Issue date Apr 10, 1990
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Thrust transmitting device
    • Patent number 4,898,498
    • Issue date Feb 6, 1990
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shield tunneling machine
    • Patent number 4,886,394
    • Issue date Dec 12, 1989
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Existing pipeline renewing method and apparatus therefor
    • Patent number 4,886,396
    • Issue date Dec 12, 1989
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for building pipeline and shield tunnelling ma...
    • Patent number 4,874,268
    • Issue date Oct 17, 1989
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method for excavating hole and apparatus therefor
    • Patent number 4,869,619
    • Issue date Sep 26, 1989
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Pipe propelling apparatus
    • Patent number 4,830,539
    • Issue date May 16, 1989
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe propelling device
    • Patent number 4,815,695
    • Issue date Mar 28, 1989
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shield type tunneling machine
    • Patent number 4,692,062
    • Issue date Sep 8, 1987
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Earth auger
    • Patent number 4,691,787
    • Issue date Sep 8, 1987
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe propelling device
    • Patent number 4,662,606
    • Issue date May 5, 1987
    • Kabushiki Kaisha Iseki Kaihatsu Koki
    • Toshio Akesaka
    • E21 - EARTH DRILLING MINING