Yoshihisa Uneyama

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Motor-driven compressor provided with torque control device
- Patent number 4,726,738
- Issue date Feb 23, 1988
- Hitachi, Ltd.
- Yozo Nakamura
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Torque control apparatus for enclosed compressors
- Patent number 4,604,036
- Issue date Aug 5, 1986
- Hitachi, Ltd.
- Masatsune Sutou
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigerator control system
- Patent number 4,566,289
- Issue date Jan 28, 1986
- Hitachi, Ltd.
- Kenichi Iizuka
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Rotary compressor with tapered valve ports for lubricating pump
- Patent number 4,561,829
- Issue date Dec 31, 1985
- Hitachi, Ltd.
- Hiroshi Iwata
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...