Masashi Kumada

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Data communication device, communication control method, and program
- Patent number 8,654,377
- Issue date Feb 18, 2014
- Sony Corporation
- Masashi Kumada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Battery pack, electronic appliance, and method of detecting remaini...
- Patent number 8,359,174
- Issue date Jan 22, 2013
- Sony Corporation
- Ryoichi Nakashima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply system, power supply plate and electronic equipment
- Patent number 7,843,164
- Issue date Nov 30, 2010
- Sony Corporation
- Mieko Hara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Data communication device, communication control method, and program
- Publication number 20100123924
- Publication date May 20, 2010
- SONY CORPORATION
- Masashi Kumada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Battery Pack and Battery Protection Method
- Publication number 20090220825
- Publication date Sep 3, 2009
- Ryoichi Nakashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Battery Pack, Electronic Appliance, And Method of Detecting Remaini...
- Publication number 20090171598
- Publication date Jul 2, 2009
- Ryoichi Nakashima
- G01 - MEASURING TESTING
Information Patent Application
Power Supply System, Power Supply Plate and Electronic Equipment
- Publication number 20080136262
- Publication date Jun 12, 2008
- SONY CORPORATION
- Mieko Hara
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
BATTERY DEVICE AND ELECTRONIC EQUIPMENT
- Publication number 20070206034
- Publication date Sep 6, 2007
- SONY CORPORATION
- Ryoichi Nakashima
- H01 - BASIC ELECTRIC ELEMENTS