Wataru Echigoya

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Iwafune, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum insulation panel
- Patent number 7,517,576
- Issue date Apr 14, 2009
- Hitachi Appliances, Inc.
- Wataru Echigoya
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Vacuum insulation panel and refrigerator incorporating the same
- Patent number 7,449,227
- Issue date Nov 11, 2008
- Hitachi Appliances, Inc.
- Wataru Echigoya
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Vacuum insulating material, refrigerator using vacuum insulating ma...
- Patent number 7,361,396
- Issue date Apr 22, 2008
- Hitachi Appliances, Inc.
- Takashi Miseki
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
Vacuum insulating material, refrigerator using vacuum insulating ma...
- Publication number 20060261718
- Publication date Nov 23, 2006
- Takashi Miseki
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Vacuum insulation panel and refrigerator incorporating the same
- Publication number 20060088685
- Publication date Apr 27, 2006
- Wataru Echigoya
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Vacuum insulation panel, refrigerator incorporating the same, and m...
- Publication number 20060076863
- Publication date Apr 13, 2006
- Wataru Echigoya
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...