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Riko Tachigori
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Shiga, JP
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Patents Grants
last 30 patents
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Patent Grant
Air conditioner using inflammable refrigerant
Patent number
6,571,575
Issue date
Jun 3, 2003
Matsushita Electric Industrial Co., Ltd.
Akira Fujitaka
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Air conditioner using flammable refrigerant
Patent number
6,550,273
Issue date
Apr 22, 2003
Matsushita Electric Industrial Co., Ltd.
Akira Fujitaka
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Refrigerant leakage warning device for apparatus having refrigerati...
Patent number
6,073,455
Issue date
Jun 13, 2000
Matsushita Electric Industrial Co., Ltd.
Riko Tachigori
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents
Information
Patent Application
Air conditioner using flammable refrigerant
Publication number
20010037649
Publication date
Nov 8, 2001
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.,
Akira Fujitaka
F24 - HEATING RANGES VENTILATING