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Patents Grants
last 30 patents
Information
Patent Grant
Reinforcing member for civil and architectural structures
Patent number
5,580,642
Issue date
Dec 3, 1996
Mitsui Kensetsu Kabushiki Kaisha
Tadashi Okamoto
E04 - BUILDING
Information
Patent Grant
Method for the production of fine grain ice and dry clathrate water...
Patent number
5,164,428
Issue date
Nov 17, 1992
Mitsui Kensetsu Kabushiki Kaisha
Tadashi Okamoto
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method for the production of concrete/mortar by using dry clathrate...
Patent number
5,092,933
Issue date
Mar 3, 1992
Mitsui Kensetsu Kabushiki Kaisha
Tadashi Okamoto
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Damping device in a structure and damping construction and damping...
Patent number
5,074,086
Issue date
Dec 24, 1991
Mitsui Kensetsu Kabushiki Kaisha
Toshiyuki Noji
E04 - BUILDING
Information
Patent Grant
Damping device in a structure and damping construction and damping...
Patent number
4,987,710
Issue date
Jan 29, 1991
Mitsui Kensetsu Kabushiki Kaisha
Toshiyuki Noji
E04 - BUILDING
Information
Patent Grant
Damping device in a structure and damping construction and damping...
Patent number
4,987,711
Issue date
Jan 29, 1991
Mitsui Kensetsu Kabushiki Kaisha
Toshiyuki Noji
E04 - BUILDING
Information
Patent Grant
Damping device in a structure
Patent number
4,972,636
Issue date
Nov 27, 1990
Mitsui Kensetsu Kabushiki Kaisha
Toshiyuki Noji
E04 - BUILDING
Information
Patent Grant
Damping device in a structure and damping construction and damping...
Patent number
4,953,330
Issue date
Sep 4, 1990
Mitsui Kensetsu Kabushiki Kaisha
Toshiyuki Noji
E04 - BUILDING
Information
Patent Grant
Process for manufacturing of structural reinforcing material
Patent number
4,770,832
Issue date
Sep 13, 1988
Mitsui Kensetsu Kabushiki Kaisha
Tadashi Okamoto
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process of producing resin concrete
Patent number
4,758,610
Issue date
Jul 19, 1988
Mitsui Kensetsu Kabushiki Kaisha
Okamoto Tadashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Reinforced structural material and reinforced fibrous inorganic str...
Patent number
4,684,567
Issue date
Aug 4, 1987
Mitsui Kensetsu Kabushiki Kaisha
Tadashi Okamoto
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for constructing an enlarged tunnel and apparatus for formin...
Patent number
4,618,298
Issue date
Oct 21, 1986
Mitsui Kensetsu Kabushiki Kaisha
Shigeo Takamiya
E21 - EARTH DRILLING MINING
Information
Patent Grant
Driving process of enlarged tunnel
Patent number
4,569,616
Issue date
Feb 11, 1986
Mitsui Kensetsu Kabushiki Kaisha
Yoshiyuki Takahashi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shield machine
Patent number
4,558,906
Issue date
Dec 17, 1985
Mitsui Kensetsu Kabushiki Kaisha
Shigeo Takamiya
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shield driving process for enlargement
Patent number
4,530,621
Issue date
Jul 23, 1985
Mitsui Kensetsu Kabushiki Kaisha
Toshio Furuta
E21 - EARTH DRILLING MINING
Information
Patent Grant
Process for preventing blockage in distillation column of treatment...
Patent number
4,345,975
Issue date
Aug 24, 1982
Mitsui Kensetsu Kabushiki Kaisha
Hideshi Abe
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
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last 30 trademarks