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Yonezo Ikumi
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Gunma-ken, JP
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last 30 patents
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Patent Grant
REFRIGERANT COLLECTING DEVICE, REFRIGERANT COLLECTING METHOD, REFRI...
Patent number
6,449,962
Issue date
Sep 17, 2002
Sanyo Electric Co., LTD
Kazuo Takemasa
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Heat exchanger and cooling apparatus mounted with the same
Patent number
5,699,675
Issue date
Dec 23, 1997
Sanyo Electric Co., Ltd.
Toshitake Nagai
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Refrigeration cycle using six-way change-over valve
Patent number
5,634,352
Issue date
Jun 3, 1997
Sanyo Electric Co., Ltd.
Toshitake Nagai
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air conditioning system making use of waste heat
Patent number
4,307,577
Issue date
Dec 29, 1981
Agency of Industrial Science and Technology
Hideyuki Watanabe
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...