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Toshio Saeki
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Tama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Column/beam joint structure
Patent number
4,905,436
Issue date
Mar 6, 1990
Hitachi Metals, Ltd.
Hideshige Matsuo
E04 - BUILDING
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Patent Grant
Building structure
Patent number
4,333,285
Issue date
Jun 8, 1982
Kajima Kensetsu Kabushiki Kaisha
Hajime Koizumi
E04 - BUILDING
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Patent Grant
Building structure
Patent number
4,211,045
Issue date
Jul 8, 1980
Kajima Kensetsu Kabushiki Kaisha
Hajime Koizumi
E04 - BUILDING