Naoki Kawaguchi

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Synchronous motor control method
- Patent number 8,319,459
- Issue date Nov 27, 2012
- Fujitsu General Limited
- Satoshi Ichiki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Phase detection method, phase detecting apparatus, synchronous-moto...
- Patent number 7,839,114
- Issue date Nov 23, 2010
- Fujitsu General Limited
- Satoshi Ichiki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for processing video signal and apparatus for processing vid...
- Patent number 6,356,304
- Issue date Mar 12, 2002
- Sony Corporation
- Naoki Kawaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic focus control method and apparatus
- Patent number 6,229,568
- Issue date May 8, 2001
- Sony Corporation
- Naoki Kawaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable video camera with adjustable motor driving signals for opt...
- Patent number 6,163,341
- Issue date Dec 19, 2000
- Sony Corporation
- Naoki Kawaguchi
- G02 - OPTICS
Information Patent Grant
Image generating device having automatic focus correction based on...
- Patent number 6,034,726
- Issue date Mar 7, 2000
- Sony Corporation
- Katsuaki Hirota
- G02 - OPTICS
Information Patent Grant
Driving control circuit, driving control method and electronic equi...
- Patent number 6,031,351
- Issue date Feb 29, 2000
- Sony Corporation
- Naoki Kawaguchi
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
PHASE DETECTION METHOD, PHASE DETECTING APPARATUS, SYNCHRONOUS-MOTO...
- Publication number 20110050139
- Publication date Mar 3, 2011
- FUJITSU GENERAL LIMITED
- Satoshi Ichiki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Phase detection method, phase detecting apparatus, synchronous-moto...
- Publication number 20080191657
- Publication date Aug 14, 2008
- FUJITSU GENERAL LIMITED
- Satoshi Ichiki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Naoki Kawaguchi

Person

Patents Grantslast 30 patents

Synchronous motor control method

Phase detection method, phase detecting apparatus, synchronous-moto...

Method for processing video signal and apparatus for processing vid...

Automatic focus control method and apparatus

Portable video camera with adjustable motor driving signals for opt...

Image generating device having automatic focus correction based on...

Driving control circuit, driving control method and electronic equi...

Patents Applicationslast 30 patents

PHASE DETECTION METHOD, PHASE DETECTING APPARATUS, SYNCHRONOUS-MOTO...

Phase detection method, phase detecting apparatus, synchronous-moto...