Tomomi Umeda

Follow

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Electricity storage type air conditioning apparatus and cooling/hea...
- Patent number 6,094,926
- Issue date Aug 1, 2000
- Hitachi, Ltd.
- Susumu Nakayama
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Air conditioning system
- Patent number 5,156,203
- Issue date Oct 20, 1992
- Hitachi, Ltd.
- Sunao Funakoshi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air conditioning apparatus, heat exchanger for use in the apparatus...
- Patent number 5,101,640
- Issue date Apr 7, 1992
- Hitachi, Ltd.
- Toshihiko Fukushima
- F28 - HEAT EXCHANGE IN GENERAL