Yoshiaki Kitagawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchange mat
- Patent number 4,646,815
- Issue date Mar 3, 1987
- Matsushita Electric Works, Ltd.
- Hideo Iwata
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method of manufacturing heat exchange mat
- Patent number 4,631,102
- Issue date Dec 23, 1986
- Matsushita Electric Works, Ltd.
- Yoshiaki Kitagawa
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Electric space heater employing a vaporizable heat exchange fluid
- Patent number 4,567,351
- Issue date Jan 28, 1986
- Matsushita Electric Works, Ltd.
- Yoshiaki Kitagawa
- F24 - HEATING RANGES VENTILATING