Kazuyasu Nawa

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Battery residual quantity display method and electronic equipment
- Patent number 8,368,356
- Issue date Feb 5, 2013
- Sony Corporation
- Ryoichi Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Battery residual quantity display method and electronic equipment
- Patent number 7,864,065
- Issue date Jan 4, 2011
- Sony Corporation
- Ryoichi Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Battery residual quantity display method and electronic equipment
- Patent number 7,619,536
- Issue date Nov 17, 2009
- Sony Corporation
- Ryoichi Nakashima
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Battery pack, battery protection processing apparatus, and startup...
- Patent number 7,495,416
- Issue date Feb 24, 2009
- Sony Corporation
- Hideyuki Sato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery pack and remaining battery power calculation method
- Patent number 7,425,814
- Issue date Sep 16, 2008
- Sony Corporation
- Yukio Tsuchiya
- G01 - MEASURING TESTING
Information Patent Grant
Secondary battery with display to indicate residual capacity
- Patent number 7,064,522
- Issue date Jun 20, 2006
- Sony Corporation
- Kazuyasu Nawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
BATTERY RESIDUAL QUANTITY DISPLAY METHOD AND ELECTRONIC EQUIPMENT
- Publication number 20090280396
- Publication date Nov 12, 2009
- SONY CORPORATION
- Ryoichi NAKASHIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Battery Residual Quantity Display Method and Electronic Equipment
- Publication number 20080266126
- Publication date Oct 30, 2008
- SONY CORPORATION
- Ryoichi NAKASHIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BATTERY RESIDUAL QUANTITY DISPLAY METHOD AND ELECTRONIC EQUIPMENT
- Publication number 20080150477
- Publication date Jun 26, 2008
- SONY CORPORATION
- Ryoichi NAKASHIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Battery pack and remaining battery power calculation method
- Publication number 20050189919
- Publication date Sep 1, 2005
- Yukio Tsuchiya
- G01 - MEASURING TESTING
Information Patent Application
Battery pack, battery protection processing apparatus, and startup...
- Publication number 20050127879
- Publication date Jun 16, 2005
- Hideyuki Sato
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Secondary battery having display function, and method thereof
- Publication number 20040164715
- Publication date Aug 26, 2004
- Kazuyasu Nawa
- H01 - BASIC ELECTRIC ELEMENTS