Yoshihiko Nakayama

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Shimoinayoshi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Evaporating heat transfer wall
- Patent number 4,678,029
- Issue date Jul 7, 1987
- Hitachi Cable, Ltd.
- Toshi Sasaki
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Apparatus for detecting abnormality and limit of use of plain bearings
- Patent number 4,658,643
- Issue date Apr 21, 1987
- Hitachi, Ltd.
- Yoshihiko Nakayama
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for producing a heat transfer wall for vaporizing liquids
- Patent number 4,653,163
- Issue date Mar 31, 1987
- Hitachi, Ltd.
- Heikichi Kuwahara
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Hermetic turbo-refrigerator apparatus
- Patent number 4,432,212
- Issue date Feb 21, 1984
- Hitachi, Ltd.
- Keiji Tachibana
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Apparatus for controlling operation of fluid pressure raising system
- Patent number 4,295,792
- Issue date Oct 20, 1981
- Hitachi, Ltd.
- Keiji Tachibana
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Multistage speed change gear system
- Patent number 4,291,587
- Issue date Sep 29, 1981
- Hitachi, Ltd.
- Keiji Tachibana
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...