Takeo Tanaka

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Minorimachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic equipment and lap-top type electronic equipment
- Patent number 5,646,824
- Issue date Jul 8, 1997
- Hitachi, Ltd.
- Shigeo Ohashi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Fin-tube type heat exchanger
- Patent number 5,360,060
- Issue date Nov 1, 1994
- Hitachi, Ltd.
- Takeo Tanaka
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Fin assembly for heat exchangers
- Patent number 4,469,168
- Issue date Sep 4, 1984
- Hitachi, Ltd.
- Masaaki Itoh
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat exchanger fin
- Patent number 4,469,167
- Issue date Sep 4, 1984
- Hitachi, Ltd.
- Masaaki Itoh
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method for the production of heat exchangers
- Patent number 4,285,385
- Issue date Aug 25, 1981
- Hitachi, Ltd.
- Masakatsu Hayashi
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of forming three-dimensional network porous metallic structu...
- Patent number 4,235,277
- Issue date Nov 25, 1980
- Hitachi, Ltd.
- Tatsushi Aizawa
- B22 - CASTING POWDER METALLURGY