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Method of improving water lubricity of ceramics
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Patent number 4,956,205
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Issue date Sep 11, 1990
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Agency of Industrial Science & Technology, Ministry of International Trade
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Yuji Enomoto
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Manipulator and control method
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Patent number 4,928,047
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Issue date May 22, 1990
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Agency of Industrial Science & Technology, Ministry of International Trade
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Hirohiko Arai
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Laser power and energy meter
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Patent number 4,865,446
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Issue date Sep 12, 1989
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Agency of Industrial Science & Technology, Ministry of International Trade
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Takemi Inoue
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G01 - MEASURING TESTING
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