Yoshio Naganuma

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Hitachi, JP

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Patents Grantslast 30 patents

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Method of operating a plurality of utilities, a utilities network s...
- Patent number 5,537,339
- Issue date Jul 16, 1996
- Hitachi, Ltd.
- Yoshio Naganuma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Heat storage apparatus and method
- Patent number 5,435,380
- Issue date Jul 25, 1995
- Hitachi, Ltd.
- Akihiro Yamada
- F24 - HEATING RANGES VENTILATING
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Electronic equipment and computer with heat pipe
- Patent number 5,331,510
- Issue date Jul 19, 1994
- Hitachi, Ltd.
- Katsunori Ouchi
- F28 - HEAT EXCHANGE IN GENERAL
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Semiconductor package and computer using the package
- Patent number 5,095,359
- Issue date Mar 10, 1992
- Hitachi, Ltd.
- Akira Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor cooling module
- Patent number 5,028,989
- Issue date Jul 2, 1991
- Hitachi, Ltd.
- Yoshio Naganuma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cooling apparatus and semiconductor device employing the same
- Patent number 4,908,695
- Issue date Mar 13, 1990
- Hitachi, Ltd.
- Atsushi Morihara
- H01 - BASIC ELECTRIC ELEMENTS