Fumio Ogai

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Patents Grantslast 30 patents

Information Patent Grant
Hot-water supply system
- Patent number 8,721,875
- Issue date May 13, 2014
- Rinnai Corporation
- Fumio Ogai
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
HOT-WATER SUPPLY SYSTEM
- Publication number 20130168302
- Publication date Jul 4, 2013
- RINNAI CORPORATION
- Fumio Ogai
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HEAT SOURCE MACHINE
- Publication number 20110296838
- Publication date Dec 8, 2011
- RINNAI CORPORATION
- Fumio Ogai
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES