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Nichireki Chemical Industry Co., Ltd.
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of constructing a continuous cut-off wall and a core of a fi...
Patent number
4,266,885
Issue date
May 12, 1981
Ohbayashi-Gumi Ltd.
Kazuaki Naito
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Patent Grant
Super rapid hardening mixture
Patent number
4,060,425
Issue date
Nov 29, 1977
Japanese National Railways
Yutaka Harada
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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