Takeshi Onaka

Follow

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Indoor and outdoor unit communication via signal from a power line
- Patent number 7,770,403
- Issue date Aug 10, 2010
- Hitachi Appliances, Inc.
- Yasuyuki Kojima
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Indoor and outdoor unit communication via signal from a power line
- Patent number 7,523,619
- Issue date Apr 28, 2009
- Hitachi Appliances, Inc.
- Yasuyuki Kojima
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
INDOOR AND OUTDOOR UNIT COMMUNICATION VIA SIGNAL FROM A POWER LINE
- Publication number 20090145147
- Publication date Jun 11, 2009
- HITACHI APPLIANCES INC.
- Yasuyuki Kojima
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Air conditioning system
- Publication number 20050005619
- Publication date Jan 13, 2005
- Yasuyuki Kojima
- F24 - HEATING RANGES VENTILATING