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Yasushi Hoshino
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Tokyo, JP
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last 30 patents
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Patent Grant
Method for recovering phosphorus from organic sludge
Patent number
6,022,514
Issue date
Feb 8, 2000
NKK Corporation
Keisuke Nakahara
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
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Patent Grant
Ceramic tile produced from sludge slag
Patent number
5,175,134
Issue date
Dec 29, 1992
Kaneko; Senji
Senji Kaneko
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES