Katsushi Ishii

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Patents Grantslast 30 patents

Information Patent Grant
Indoor unit for an air-conditioning apparatus
- Patent number 5,664,428
- Issue date Sep 9, 1997
- Kabushiki Kaisha Toshiba
- Akihiko Sugiyama
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air-conditioner permitting comfortable sleeping during heating oper...
- Patent number 4,966,009
- Issue date Oct 30, 1990
- Kabushiki Kaisha Toshiba
- Katsushi Ishii
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air conditioning apparatus and grille control method thereof
- Patent number 4,782,999
- Issue date Nov 8, 1988
- Kabushiki Kaisha Toshiba
- Katsushi Ishii
- F24 - HEATING RANGES VENTILATING