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Naoharu Yanagawa
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Saitama-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light measurement apparatus
Patent number
9,442,010
Issue date
Sep 13, 2016
Pioneer Corporation
Naoharu Yanagawa
G01 - MEASURING TESTING
Information
Patent Grant
Information recording apparatus and method and computer program
Patent number
8,018,803
Issue date
Sep 13, 2011
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup and information device
Patent number
8,014,256
Issue date
Sep 6, 2011
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Information reproduction apparatus
Patent number
7,961,579
Issue date
Jun 14, 2011
Pioneer Corporation
Kazuo Kuroda
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording/reproducing device and the like
Patent number
7,948,844
Issue date
May 24, 2011
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording device and method, reproducing device and method, recordi...
Patent number
7,859,965
Issue date
Dec 28, 2010
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording apparatus and recording medium, and computer program
Patent number
7,852,726
Issue date
Dec 14, 2010
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording apparatus and recording method, and computer program
Patent number
7,760,606
Issue date
Jul 20, 2010
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording device and method, and computer program
Patent number
7,746,741
Issue date
Jun 29, 2010
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup device, and information recording and reproduction d...
Patent number
7,623,435
Issue date
Nov 24, 2009
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Information record apparatus and method, and computer program product
Patent number
7,518,964
Issue date
Apr 14, 2009
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording device and aberration correction method
Patent number
7,436,742
Issue date
Oct 14, 2008
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Device and method for controlling tilt servo
Patent number
7,154,831
Issue date
Dec 26, 2006
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Error counting apparatus for counting an error number of a pre-pit...
Patent number
7,099,255
Issue date
Aug 29, 2006
Pioneer Corporation
Masahiro Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Device and method for controlling tilt servo
Patent number
7,042,818
Issue date
May 9, 2006
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Linking gap detecting device and method of optical recording medium
Patent number
7,016,285
Issue date
Mar 21, 2006
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Device and method for controlling tilt servo
Patent number
6,975,574
Issue date
Dec 13, 2005
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Aperture ratio measuring apparatus for optical recording medium wit...
Patent number
6,956,802
Issue date
Oct 18, 2005
Pioneer Corporation
Masahiro Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
APPARATUS FOR ADJUSTING SIGNAL LEVELS DERIVED FROM AN OPTICAL DISC...
Patent number
6,954,418
Issue date
Oct 11, 2005
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Pre-pit detecting apparatus for optical recording medium
Patent number
6,928,041
Issue date
Aug 9, 2005
Pioneer Corporation
Masahiro Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Device and method for controlling tilt servo
Patent number
6,925,039
Issue date
Aug 2, 2005
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Apparatus and method for re-executing pre-pit detection if pre-pits...
Patent number
6,891,784
Issue date
May 10, 2005
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical device including a calibrating unit for calibrating a level...
Patent number
6,865,143
Issue date
Mar 8, 2005
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Pre-pit detecting apparatus for optical recording medium
Patent number
6,801,488
Issue date
Oct 5, 2004
Pioneer Corporation
Masahiro Kato
G11 - INFORMATION STORAGE
Information
Patent Grant
Laser light intensity controller
Patent number
6,731,662
Issue date
May 4, 2004
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Laser light intensity controller
Patent number
6,697,398
Issue date
Feb 24, 2004
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Variable recording layer disk image pickup device
Patent number
6,577,581
Issue date
Jun 10, 2003
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup for performing recording or reading operation on rec...
Patent number
6,577,565
Issue date
Jun 10, 2003
Pioneer Electronic Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup device minimizing an undesirable astigmatism
Patent number
6,567,354
Issue date
May 20, 2003
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording apparatus
Patent number
6,442,115
Issue date
Aug 27, 2002
Pioneer Corporation
Yoshitaka Shimoda
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
LIGHT MEASUREMENT APPARATUS
Publication number
20150124249
Publication date
May 7, 2015
PIONEER CORPORATION
Naoharu Yanagawa
G01 - MEASURING TESTING
Information
Patent Application
INFORMATION RECORDING DEVICE AND INFORMATION RECORDING PROGRAM
Publication number
20100220579
Publication date
Sep 2, 2010
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION REPRODUCTION APPARATUS
Publication number
20100037247
Publication date
Feb 11, 2010
Pioneer Corporation
Kazuo Kuroda
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL PICKUP AND INFORMATION DEVICE
Publication number
20090323501
Publication date
Dec 31, 2009
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL PICKUP AND INFORMATION DEVICE
Publication number
20090274029
Publication date
Nov 5, 2009
Masataka Izawa
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION RECORDING/REPRODUCING APPARATUS
Publication number
20090196130
Publication date
Aug 6, 2009
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
RECORDING APPARATUS AND RECORDING METHOD, AND COMPUTER PROGRAM
Publication number
20090147650
Publication date
Jun 11, 2009
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION RECORDING APPARATUS AND METHOD AND COMPUTER PROGRAM
Publication number
20090116350
Publication date
May 7, 2009
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
INFORMATION RECORDING/REPRODUCING DEVICE AND THE LIKE
Publication number
20090103405
Publication date
Apr 23, 2009
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Recording Device and Method, Reproducing Device and Method, Recordi...
Publication number
20090067307
Publication date
Mar 12, 2009
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Recording Apparatus and Recording Medium, and Computer Program
Publication number
20090052302
Publication date
Feb 26, 2009
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Information Recording Device and Method, and Computer Program
Publication number
20080259755
Publication date
Oct 23, 2008
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical Pickup Device, and Information Recording and Reproduction D...
Publication number
20070247997
Publication date
Oct 25, 2007
Pioneer Corporation
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording medium and information recording device
Publication number
20060120232
Publication date
Jun 8, 2006
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Device and method for controlling tilt servo
Publication number
20050270924
Publication date
Dec 8, 2005
PIONEER CORPORATION
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Information record apparatus and method, and computer program product
Publication number
20050249074
Publication date
Nov 10, 2005
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Device and method for controlling tilt servo
Publication number
20050243673
Publication date
Nov 3, 2005
PIONEER CORPORATION
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording apparatus and method, and computer program pr...
Publication number
20050237884
Publication date
Oct 27, 2005
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Data reading device and pre-pit detection circuit
Publication number
20050117503
Publication date
Jun 2, 2005
PIONEER CORPORATION
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical recording device and aberration correction method
Publication number
20050094535
Publication date
May 5, 2005
PIONEER CORPORATION
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Linking gap detecting device and method of optical
Publication number
20040004924
Publication date
Jan 8, 2004
PIONEER CORPORATION
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording/reproducing apparatus, and pre-pit detecting...
Publication number
20030072230
Publication date
Apr 17, 2003
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Error counting apparatus and method
Publication number
20020172120
Publication date
Nov 21, 2002
PIONEER CORPORATION
Masahiro Kato
G11 - INFORMATION STORAGE
Information
Patent Application
Optical device and optically recorded information recording/reading...
Publication number
20020159344
Publication date
Oct 31, 2002
PIONEER CORPORATION
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Aperture ratio measuring apparatus for optical recording medium wit...
Publication number
20020123862
Publication date
Sep 5, 2002
PIONEER CORPORATION
Masahiro Kato
G11 - INFORMATION STORAGE
Information
Patent Application
Pre-pit detecting apparatus for optical recording medium
Publication number
20020114248
Publication date
Aug 22, 2002
PIONEER CORPORATION
Masahiro Kato
G11 - INFORMATION STORAGE
Information
Patent Application
Pre-pit detecting apparatus for optical recording medium
Publication number
20020114249
Publication date
Aug 22, 2002
PIONEER CORPORATION
Masahiro Kato
G11 - INFORMATION STORAGE
Information
Patent Application
Apparatus for synthesizing signals derived from an optical disc
Publication number
20020114261
Publication date
Aug 22, 2002
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup device minimizing an undesirable astigmatism
Publication number
20020071365
Publication date
Jun 13, 2002
Naoharu Yanagawa
G11 - INFORMATION STORAGE
Information
Patent Application
Device and method for controlling tilt servo
Publication number
20020071364
Publication date
Jun 13, 2002
PIONEER CORPORATION
Naoharu Yanagawa
G11 - INFORMATION STORAGE