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Air cleaner using ionic wind
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Patent number 4,689,056
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Issue date Aug 25, 1987
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Nippon Soken, Inc.
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Hiroki Noguchi
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Air cleaning apparatus
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Patent number 4,673,416
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Issue date Jun 16, 1987
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Nippondenso Co., Ltd.
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Nobuyoshi Sakakibara
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Air cleaner using ionic wind
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Patent number 4,643,745
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Issue date Feb 17, 1987
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Nippon Soken, Inc.
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Nobuyoshi Sakakibara
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Button-less push switch boards
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Patent number 4,376,879
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Issue date Mar 15, 1983
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Japan Aviation Electronics Industry Limited
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Masumi Nagata
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H01 - BASIC ELECTRIC ELEMENTS
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Air conditioner system
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Patent number 4,325,426
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Issue date Apr 20, 1982
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Nippondenso Co., Ltd.
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Fumio Otsuka
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B60 - VEHICLES IN GENERAL
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