Keiji Kato

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Nagoya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Energy usage display unit
- Patent number 8,065,097
- Issue date Nov 22, 2011
- Rinnai Corporation
- Keiji Kato
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Radio communication system of water heater
- Patent number 7,902,959
- Issue date Mar 8, 2011
- Rinnai Corporation
- Tomomi Yamada
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Relay apparatus
- Patent number 7,714,713
- Issue date May 11, 2010
- Rinnai Corporation
- Tomomi Yamada
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Radio remote control system
- Patent number 7,471,186
- Issue date Dec 30, 2008
- Rinnai Corporation
- Keiji Kato
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
ENERGY USAGE DISPLAY UNIT
- Publication number 20080154546
- Publication date Jun 26, 2008
- RINNAI CORPORATION
- Keiji Kato
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
RADIO COMMUNICATION SYSTEM OF WATER HEATER
- Publication number 20070295823
- Publication date Dec 27, 2007
- RINNAI CORPORATION
- Tomomi Yamada
- F24 - HEATING RANGES VENTILATING
Information Patent Application
RELAY APPARATUS
- Publication number 20070290872
- Publication date Dec 20, 2007
- RINNAI CORPORATION
- Tomomi Yamada
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Radio remote control system
- Publication number 20050253682
- Publication date Nov 17, 2005
- RINNAI CORPORATION
- Keiji Kato
- G05 - CONTROLLING REGULATING
Information Patent Application
Radio communication system
- Publication number 20050255831
- Publication date Nov 17, 2005
- RINNAI CORPORATION
- Keiji Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE