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Hajime Wakui
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Kokubunji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Elevated bridge infrastructure and design method for designing the...
Patent number
6,722,088
Issue date
Apr 20, 2004
Obayashi Corporation
Hajime Ouchi
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method for seismically reinforcing a reinforced concrete frame
Patent number
6,698,053
Issue date
Mar 2, 2004
Obayashi Corporation
Hajime Ouchi
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Elevated bridge infrastructure and design method for designing the...
Patent number
6,543,077
Issue date
Apr 8, 2003
Obayashi Corporation
Hajime Ouchi
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Elevated bridge infrastructure design method
Patent number
6,425,157
Issue date
Jul 30, 2002
Obayashi Corporation
Hajime Ouchi
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Steel pipe connector of ladder-type sleeper for railway track
Patent number
5,887,788
Issue date
Mar 30, 1999
Railway Technical Research Institute
Hajime Wakui
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Ladder-type sleepers and railway tracks
Patent number
5,582,346
Issue date
Dec 10, 1996
Railway Technical Research Institute
Hajime Wakui
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method of installing side-wall beam for guideway for magnetic levit...
Patent number
5,218,800
Issue date
Jun 15, 1993
Railway Technical Research Institute
Hajime Wakui
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Patents Applications
last 30 patents
Information
Patent Application
Elevated bridge infrastructure and design method for designing the...
Publication number
20020170128
Publication date
Nov 21, 2002
Hajime Ouchi
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Elevated bridge infrastructure and design method for designing the...
Publication number
20020157196
Publication date
Oct 31, 2002
Hajime Ouchi
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Application
Elevated bridge infrastructure and design method for designing the...
Publication number
20020148175
Publication date
Oct 17, 2002
Hajime Ouchi
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES