Takeharu Yamamoto

Person

Takatsuki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for recording and erasing user data on a recor...
- Patent number 10,410,671
- Issue date Sep 10, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Toshiaki Takasu
- G11 - INFORMATION STORAGE
Information Patent Grant
Data erasing method
- Patent number 10,042,582
- Issue date Aug 7, 2018
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Takeharu Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Laser power control method and laser power control apparatus
- Patent number 8,547,811
- Issue date Oct 1, 2013
- Panasonic Corporation
- Kenji Fujiune
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 8,526,287
- Issue date Sep 3, 2013
- Panasonic Corporation
- Kenji Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus, focus control method and integrated circuit
- Patent number 8,509,042
- Issue date Aug 13, 2013
- Panasonic Corporation
- Takeshi Shimamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head device, optical information device, and information pr...
- Patent number 8,395,980
- Issue date Mar 12, 2013
- Panasonic Corporation
- Yoshiaki Komma
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc recording apparatus, optical disc recording circuit an...
- Patent number 8,351,312
- Issue date Jan 8, 2013
- Panasonic Corporation
- Masaru Yamaoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus, crosstalk correction method and integrated...
- Patent number 8,174,941
- Issue date May 8, 2012
- Panasonic Corporation
- Minoru Takazawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking control device, tracking control method, and optical disc...
- Patent number 8,169,863
- Issue date May 1, 2012
- Panasonic Corporation
- Kenji Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Tracking control device, tracking control method, and optical disc...
- Patent number 8,085,631
- Issue date Dec 27, 2011
- Panasonic Corporation
- Takashi Kishimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser driving circuit, and optical disc device and in...
- Patent number 8,036,254
- Issue date Oct 11, 2011
- Panasonic Corporation
- Kenzo Ishibashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk unit
- Patent number 7,911,890
- Issue date Mar 22, 2011
- Panasonic Corporation
- Akihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus
- Patent number RE41372
- Issue date Jun 8, 2010
- Panasonic Corporation
- Yuu Okada
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Light information apparatus and control method of light information...
- Patent number 7,652,970
- Issue date Jan 26, 2010
- Panasonic Corporation
- Katsuhiko Yasuda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number RE40946
- Issue date Oct 27, 2009
- Panasonic Corporation
- Katsuya Watanabe
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Optical head having a position detection portion and optical disk d...
- Patent number 7,519,979
- Issue date Apr 14, 2009
- Panasonic Corporation
- Osamu Mizuno
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc controller and optical disc device
- Patent number 7,496,006
- Issue date Feb 24, 2009
- Panasonic Corporation
- Takeharu Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording/reproducing apparatus with transmission amount va...
- Patent number 7,492,693
- Issue date Feb 17, 2009
- Panasonic Corporation
- Toshio Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus
- Patent number 7,480,232
- Issue date Jan 20, 2009
- Panasonic Corporation
- Yuichi Kuze
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of moving a beam spot between information storage layers of...
- Patent number 7,327,642
- Issue date Feb 5, 2008
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive
- Patent number 7,218,582
- Issue date May 15, 2007
- Matsushita Electric Industrial Co., Ltd.
- Rie Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive with clock synchronization and rotational speed...
- Patent number 7,193,941
- Issue date Mar 20, 2007
- Matsushita Electric Industrial Co., Ltd.
- Takeharu Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Judgement of optical disc type based on changes of rotating speed o...
- Patent number 7,154,832
- Issue date Dec 26, 2006
- Matsushita Electric Industrial Co., Ltd.
- Yoshihiro Kanda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk having synchronization region formed between pre-recor...
- Patent number 6,961,301
- Issue date Nov 1, 2005
- Matsushita Electric Industrial Co., Ltd.
- Takeharu Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive and optical disc controller
- Patent number 6,925,037
- Issue date Aug 2, 2005
- Matsushita Electric Industrial Co., Ltd.
- Takashi Kishimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc apparatus
- Patent number 6,925,048
- Issue date Aug 2, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yuichi Kuze
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc reproduction apparatus
- Patent number 6,891,785
- Issue date May 10, 2005
- Matsushita Electric Industrial Co., Ltd.
- Takeharu Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 6,834,030
- Issue date Dec 21, 2004
- Matsushita Electric Industrial Co., Ltd.
- Takashi Kishimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 6,714,493
- Issue date Mar 30, 2004
- Matsushita Electric Industrial Co., Ltd.
- Takashi Kishimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical recording and reproducing apparatus
- Patent number 6,628,580
- Issue date Sep 30, 2003
- Matsushita Electric Industrial Co., Ltd.
- Takashi Kishimoto
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION RECORDING APPARATUS AND DATA ERASURE METHOD
- Publication number 20190066726
- Publication date Feb 28, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- Toshiaki TAKASU
- G11 - INFORMATION STORAGE
Information Patent Application
DATA ERASING METHOD
- Publication number 20170060474
- Publication date Mar 2, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- Takeharu YAMAMOTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION RECORDING DEVICE AND DATA ERASING METHOD
- Publication number 20170031960
- Publication date Feb 2, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- Toshiaki TAKASU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SIGNAL-QUALITY-INFORMATION CORRECTION DEVICE, SIGNAL-QUALITY-INFORM...
- Publication number 20150279420
- Publication date Oct 1, 2015
- PANASONIC CORPORATION
- Hisae Kato
- G11 - INFORMATION STORAGE
Information Patent Application
MONITORING DEVICE AND MONITORING METHOD
- Publication number 20150113338
- Publication date Apr 23, 2015
- Panasonic Intellectual Property Management Co., Ltd.
- Tooru Maruyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION DEVICE
- Publication number 20140233362
- Publication date Aug 21, 2014
- Kenji Kondo
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL INFORMATION DEVICE AND LOSS-OF-CONTROL DETECTION METHOD
- Publication number 20130121122
- Publication date May 16, 2013
- Kenji Kondo
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL INFORMATION APPARATUS AND INFORMATION RECORDING OR REPRODUC...
- Publication number 20130100787
- Publication date Apr 25, 2013
- Kenji Fujiune
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISK APPARATUS
- Publication number 20130016594
- Publication date Jan 17, 2013
- Kenji Kondo
- G11 - INFORMATION STORAGE
Information Patent Application
LASER POWER CONTROL METHOD AND LASER POWER CONTROL APPARATUS
- Publication number 20120170436
- Publication date Jul 5, 2012
- Kenji Fujiune
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL HEAD DEVICE, OPTICAL INFORMATION DEVICE, AND INFORMATION PR...
- Publication number 20120151508
- Publication date Jun 14, 2012
- Yoshiaki Komma
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC APPARATUS, FOCUS CONTROL METHOD AND INTEGRATED CIRCUIT
- Publication number 20110075529
- Publication date Mar 31, 2011
- Takeshi Shimamoto
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC RECORDING APPARATUS, OPTICAL DISC RECORDING CIRCUIT AN...
- Publication number 20110007616
- Publication date Jan 13, 2011
- Masaru Yamaoka
- G11 - INFORMATION STORAGE
Information Patent Application
TRACKING CONTROL DEVICE, TRACKING CONTROL METHOD, AND OPTICAL DISC...
- Publication number 20100309766
- Publication date Dec 9, 2010
- Takashi KISHIMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
TRACKING CONTROL DEVICE, TRACKING CONTROL METHOD, AND OPTICAL DISC...
- Publication number 20100271911
- Publication date Oct 28, 2010
- Kenji KONDO
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC APPARATUS, FOCUS ERROR SIGNAL ADJUSTMENT METHOD, PROGR...
- Publication number 20100195455
- Publication date Aug 5, 2010
- Tooru Maruyama
- G11 - INFORMATION STORAGE
Information Patent Application
INTEGRATED CIRCUIT, OPTICAL DISC SYSTEM AND TRACKING ERROR SIGNAL G...
- Publication number 20100195464
- Publication date Aug 5, 2010
- PANASONIC CORPORATION
- Tsuyoshi Katayama
- G11 - INFORMATION STORAGE
Information Patent Application
SEMICONDUCTOR LASER DRIVING CIRCUIT, AND OPTICAL DISC DEVICE AND IN...
- Publication number 20100142336
- Publication date Jun 10, 2010
- Kenzo Ishibashi
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC DEVICE, CROSSTALK CORRECTION METHOD, AND INTEGRATED CI...
- Publication number 20090046549
- Publication date Feb 19, 2009
- Matsushita Electric Industrial Co., Ltd.
- Minoru Takazawa
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISK UNIT
- Publication number 20090010118
- Publication date Jan 8, 2009
- Akihiro Arai
- G11 - INFORMATION STORAGE
Information Patent Application
Light Formation Apparatus and Control Method of Light Information A...
- Publication number 20070253068
- Publication date Nov 1, 2007
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Yasuda
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL DISC DRIVE, METHOD OF MOVING BEAM SPOT AND COMPUTER-EXECUTA...
- Publication number 20070183278
- Publication date Aug 9, 2007
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
Optical head and optical disk device
- Publication number 20070109923
- Publication date May 17, 2007
- Osamu Mizuno
- G11 - INFORMATION STORAGE
Information Patent Application
Optical recording/reproducing apparatus
- Publication number 20060018236
- Publication date Jan 26, 2006
- Matsushita Electric Industrial Co., Ltd.
- Toshio Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc apparatus
- Publication number 20050237867
- Publication date Oct 27, 2005
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Yuichi Kuze
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc drive
- Publication number 20040125713
- Publication date Jul 1, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Rie Takahashi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc controller and optical disc device
- Publication number 20040081040
- Publication date Apr 29, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Takeharu Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk apparatus
- Publication number 20030227840
- Publication date Dec 11, 2003
- Matsushita Electric Industrial Co., Ltd.
- Takashi Kishimoto
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc drive and optical disc controller
- Publication number 20030210619
- Publication date Nov 13, 2003
- Matsushita Electric Industrial Co.,Ltd.
- Takashi Kishimoto
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc drive, method of moving beam spot and computer-executa...
- Publication number 20030202437
- Publication date Oct 30, 2003
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Shinichi Yamada
- G11 - INFORMATION STORAGE

Takeharu Yamamoto

Person

Patents Grantslast 30 patents

Apparatus and method for recording and erasing user data on a recor...

Data erasing method

Laser power control method and laser power control apparatus

Optical disk apparatus

Optical disc apparatus, focus control method and integrated circuit

Optical head device, optical information device, and information pr...

Optical disc recording apparatus, optical disc recording circuit an...

Optical disc apparatus, crosstalk correction method and integrated...

Tracking control device, tracking control method, and optical disc...

Tracking control device, tracking control method, and optical disc...

Semiconductor laser driving circuit, and optical disc device and in...

Optical disk unit

Optical disc apparatus

Light information apparatus and control method of light information...

Optical disk apparatus

Optical head having a position detection portion and optical disk d...

Optical disc controller and optical disc device

Optical recording/reproducing apparatus with transmission amount va...

Optical disc apparatus

Method of moving a beam spot between information storage layers of...

Optical disc drive

Optical disc drive with clock synchronization and rotational speed...

Judgement of optical disc type based on changes of rotating speed o...

Optical disk having synchronization region formed between pre-recor...

Optical disc drive and optical disc controller

Optical disc apparatus

Optical disc reproduction apparatus

Optical disk apparatus

Optical disk apparatus

Optical recording and reproducing apparatus

Patents Applicationslast 30 patents

INFORMATION RECORDING APPARATUS AND DATA ERASURE METHOD

DATA ERASING METHOD

INFORMATION RECORDING DEVICE AND DATA ERASING METHOD

SIGNAL-QUALITY-INFORMATION CORRECTION DEVICE, SIGNAL-QUALITY-INFORM...

MONITORING DEVICE AND MONITORING METHOD

INFORMATION DEVICE

OPTICAL INFORMATION DEVICE AND LOSS-OF-CONTROL DETECTION METHOD

OPTICAL INFORMATION APPARATUS AND INFORMATION RECORDING OR REPRODUC...

OPTICAL DISK APPARATUS

LASER POWER CONTROL METHOD AND LASER POWER CONTROL APPARATUS

OPTICAL HEAD DEVICE, OPTICAL INFORMATION DEVICE, AND INFORMATION PR...

OPTICAL DISC APPARATUS, FOCUS CONTROL METHOD AND INTEGRATED CIRCUIT

OPTICAL DISC RECORDING APPARATUS, OPTICAL DISC RECORDING CIRCUIT AN...

TRACKING CONTROL DEVICE, TRACKING CONTROL METHOD, AND OPTICAL DISC...

TRACKING CONTROL DEVICE, TRACKING CONTROL METHOD, AND OPTICAL DISC...

OPTICAL DISC APPARATUS, FOCUS ERROR SIGNAL ADJUSTMENT METHOD, PROGR...

INTEGRATED CIRCUIT, OPTICAL DISC SYSTEM AND TRACKING ERROR SIGNAL G...

SEMICONDUCTOR LASER DRIVING CIRCUIT, AND OPTICAL DISC DEVICE AND IN...

OPTICAL DISC DEVICE, CROSSTALK CORRECTION METHOD, AND INTEGRATED CI...

OPTICAL DISK UNIT

Light Formation Apparatus and Control Method of Light Information A...

OPTICAL DISC DRIVE, METHOD OF MOVING BEAM SPOT AND COMPUTER-EXECUTA...

Optical head and optical disk device

Optical recording/reproducing apparatus

Optical disc apparatus

Optical disc drive

Optical disc controller and optical disc device

Optical disk apparatus

Optical disc drive and optical disc controller

Optical disc drive, method of moving beam spot and computer-executa...