Keiji Sato

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multiple type air conditioner system and address setting method the...
- Patent number 5,630,324
- Issue date May 20, 1997
- Hitachi Ltd.
- Satoru Yoshida
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Multiple type air conditioner system and address setting method the...
- Patent number 5,499,510
- Issue date Mar 19, 1996
- Hitachi, Ltd.
- Satoru Yoshida
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air conditioning control system
- Patent number 5,435,147
- Issue date Jul 25, 1995
- Hitachi, Ltd.
- Masamichi Mochizuki
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air conditioner having outdoor air introducing mechanism
- Patent number 4,941,326
- Issue date Jul 17, 1990
- Hitachi, Ltd.
- Toyo Sumi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Control circuit for air conditioner
- Patent number 4,557,114
- Issue date Dec 10, 1985
- Hitachi, Ltd.
- Takashi Kato
- F24 - HEATING RANGES VENTILATING