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Plasma treatment method
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Patent number 5,173,146
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Issue date Dec 22, 1992
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Toyoda Gosei Co., Ltd.
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Toshiyasu Ito
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Plasma treatment method
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Patent number 5,064,679
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Issue date Nov 12, 1991
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Toyoda Gosei Co., Ltd.
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Toshiyasu Ito
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Electrochromic element
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Patent number 5,054,895
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Issue date Oct 8, 1991
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Toyoda Gosei Co. Ltd.
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Jun Minoura
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G02 - OPTICS
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Planar dimmer
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Patent number 4,874,229
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Issue date Oct 17, 1989
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Toyoda Gosei Co., Ltd.
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Toshiyasu Ito
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G02 - OPTICS
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