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Toshio Kubo
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Gunma-ken, JP
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Patents Grants
last 30 patents
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Patent Grant
Air conditioning system
Patent number
6,220,341
Issue date
Apr 24, 2001
Sanyo Electric Co., Ltd.
Masashi Izumi
F28 - HEAT EXCHANGE IN GENERAL
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Patent Grant
Air conditioning system
Patent number
6,006,528
Issue date
Dec 28, 1999
Sanyo Electric Co., Ltd.
Hidetoshi Arima
F24 - HEATING RANGES VENTILATING