Yasuteru Mukai

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for removing extraneous matters
- Patent number 4,692,253
- Issue date Sep 8, 1987
- Hitachi, Ltd.
- Katsumoto Otake
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Apparatus for deaerating condensate in a condenser
- Patent number 4,631,925
- Issue date Dec 30, 1986
- Hitachi, Ltd.
- Katsumoto Ohtake
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Apparatus for removing foreign matters
- Patent number 4,597,871
- Issue date Jul 1, 1986
- Hitachi, Ltd.
- Isao Okouchi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of and system for cleaning cooling tubes of heat transfer units
- Patent number 4,476,917
- Issue date Oct 16, 1984
- Hitachi, Ltd.
- Katsumoto Otake
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Sorting apparatus
- Patent number 4,435,285
- Issue date Mar 6, 1984
- Hitachi, Ltd.
- Isao Okouchi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Cleaning system for heat conductive conduits of a heat exchanger
- Patent number 4,420,038
- Issue date Dec 13, 1983
- Hitachi, Ltd.
- Isao Okouchi
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Method of monitoring condenser performance and system therefor
- Patent number 4,390,058
- Issue date Jun 28, 1983
- Hitachi, Ltd.
- Katsumoto Otake
- F28 - HEAT EXCHANGE IN GENERAL