Katsurou Yukimachi

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Solar heat utilized air-conditioning system
- Patent number 4,273,184
- Issue date Jun 16, 1981
- Osaka Gas Kabushiki Kaisha
- Shunroku Tanaka
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Cooling and heating system utilizing solar heat
- Patent number 4,269,263
- Issue date May 26, 1981
- Osaka Gas Kabushiki Kaisha
- Katsurou Yukimachi
- F24 - HEATING RANGES VENTILATING