Akira Sanpei

Person

Fukushima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Control device and method and power supply device
- Patent number RE45919
- Issue date Mar 8, 2016
- Sony Corporation
- Kazuharu Yanagihara
- 001 -
Information Patent Grant
Control device and method and power supply device
- Patent number 8,847,550
- Issue date Sep 30, 2014
- Sony Corporation
- Kazuharu Yanagihara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Rechargeable battery charging method and apparatus
- Patent number 7,339,354
- Issue date Mar 4, 2008
- Sony Corporation
- Akira Sanpei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit for preventing overcharge and overdischarge of secondary ba...
- Patent number 5,547,775
- Issue date Aug 20, 1996
- Sony Corporation
- Yasuhito Eguchi
- G01 - MEASURING TESTING
Information Patent Grant
Battery protection circuit
- Patent number 5,530,336
- Issue date Jun 25, 1996
- Sony Corporation
- Yasuhito Eguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery charge control circuit
- Patent number 5,493,197
- Issue date Feb 20, 1996
- Sony Corporation
- Yasuhito Eguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Overcharge preventing device and overdischarge preventing device fo...
- Patent number 5,304,915
- Issue date Apr 19, 1994
- Sony Corporation
- Akira Sanpei
- G01 - MEASURING TESTING
Information Patent Grant
Charging method for secondary battery
- Patent number 5,237,259
- Issue date Aug 17, 1993
- Sony Corporation
- Akira Sanpei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for detecting residual capacity of a battery both in load an...
- Patent number 5,122,751
- Issue date Jun 16, 1992
- Sony Corporation
- Takayuki Aita
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
CONTROL DEVICE AND METHOD AND POWER SUPPLY DEVICE
- Publication number 20120056594
- Publication date Mar 8, 2012
- SONY CORPORATION
- Kazuharu Yanagihara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY UNIT
- Publication number 20110293998
- Publication date Dec 1, 2011
- SONY CORPORATION
- Bunya Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Rechargeable battery charging method and apparatus
- Publication number 20050194938
- Publication date Sep 8, 2005
- SONY CORPORATION
- Akira Sanpei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Akira Sanpei

Person

Patents Grantslast 30 patents

Control device and method and power supply device

Control device and method and power supply device

Rechargeable battery charging method and apparatus

Circuit for preventing overcharge and overdischarge of secondary ba...

Battery protection circuit

Battery charge control circuit

Overcharge preventing device and overdischarge preventing device fo...

Charging method for secondary battery

Device for detecting residual capacity of a battery both in load an...

Patents Applicationslast 30 patents

CONTROL DEVICE AND METHOD AND POWER SUPPLY DEVICE

BATTERY UNIT

Rechargeable battery charging method and apparatus