Toshiya Akagi

Person

Neyagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical disc drive and recording method for optical disc drive
- Patent number 7,539,109
- Issue date May 26, 2009
- Panasonic Corporation
- Katsuo Hori
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording/reproducing device using optical disk and met...
- Patent number RE40240
- Issue date Apr 15, 2008
- Matsushita Electric Industrial Co., Ltd.
- Toyoji Gushima
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Recording apparatus and recording method for recording data to a re...
- Patent number 7,319,645
- Issue date Jan 15, 2008
- Matsushita Electric Industrial Co., Ltd.
- Junichi Minamino
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser power controller and optical disk device
- Patent number RE39952
- Issue date Dec 25, 2007
- Matsushita Electric Industrial Co., Ltd.
- Chikashi Inokuchi
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Optical disk device and emission current adjusting method for the same
- Patent number 7,313,077
- Issue date Dec 25, 2007
- Matsushita Electric Industrial Co., Ltd.
- Eisuke Ishibashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk device and recording power determining method
- Patent number 7,239,586
- Issue date Jul 3, 2007
- Matsushita Electric Industrial Co., Ltd.
- Mamoru Shoji
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc device
- Patent number RE39306
- Issue date Sep 26, 2006
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Konishi
- 369 - Dynamic information storage or retrieval
Information Patent Grant
Recording/reproducing device
- Patent number 7,095,696
- Issue date Aug 22, 2006
- Matsushita Electric Industrial Co., Ltd.
- Takeshi Nakajima
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording/reproducing device using optical disk and met...
- Patent number 6,975,570
- Issue date Dec 13, 2005
- Matsushita Electric Industrial Co., Ltd.
- Toyoji Gushima
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser power control method and optical disk device
- Patent number 6,950,378
- Issue date Sep 27, 2005
- Matsushita Electric Industrial Co., Ltd.
- Atsushi Miyazaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser driving apparatus with filter to attenuate enha...
- Patent number 6,930,968
- Issue date Aug 16, 2005
- Matsushita Electric Industrial Co., Ltd.
- Yuichi Kamioka
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser drive device
- Patent number 6,717,968
- Issue date Apr 6, 2004
- Matsushita Electric Industrial Co., Ltd.
- Kenichi Tatehara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus and method of controlling laser power
- Patent number 6,671,248
- Issue date Dec 30, 2003
- Matsushita Electric Industrial Co., Ltd.
- Yoshiyuki Miyabata
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser power controller and optical disk device
- Patent number 6,621,779
- Issue date Sep 16, 2003
- Matsushita Electric Industrial Co., Ltd.
- Chikashi Inokuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for determining optical recording power used f...
- Patent number 6,614,735
- Issue date Sep 2, 2003
- Matsushita Electric Industrial Co., Ltd.
- Mamoru Shoji
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser drive device
- Patent number 6,490,301
- Issue date Dec 3, 2002
- Matsushita Electric Industrial Co., Ltd.
- Kenichi Tatehara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical disc device
- Patent number 6,434,098
- Issue date Aug 13, 2002
- Matsushita Electric Industrial Co., Ltd.
- Shinichi Konishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser control method and semiconductor laser control...
- Patent number 6,408,013
- Issue date Jun 18, 2002
- Matsushita Electric Industrial Co., Ltd.
- Toshiya Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk device
- Patent number 6,236,629
- Issue date May 22, 2001
- Matsushita Electric Industrial Co., Ltd.
- Yuji Hisakado
- G11 - INFORMATION STORAGE
Information Patent Grant
Controller and control method of laser power for recording informat...
- Patent number 5,495,463
- Issue date Feb 27, 1996
- Matsushita Electric Industrial Co., Ltd.
- Toshiya Akagi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magneto-optic disk apparatus
- Patent number 5,420,835
- Issue date May 30, 1995
- Matsushita Electric Industrial Co., Ltd.
- Toshiya Akagi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical disk device and emission current adjusting method for the same
- Publication number 20050157625
- Publication date Jul 21, 2005
- Matsushita Electric Industrial Co., Ltd.
- Eisuke Ishibashi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc drive and recording method for optical disc drive
- Publication number 20050105434
- Publication date May 19, 2005
- Katsuo Hori
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc drive and method of controlling write operation perfor...
- Publication number 20040125725
- Publication date Jul 1, 2004
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Yuichi Kamioka
- G11 - INFORMATION STORAGE
Information Patent Application
Recording/reproducing device
- Publication number 20040095862
- Publication date May 20, 2004
- Takeshi Nakajima
- G11 - INFORMATION STORAGE
Information Patent Application
Recording apparatus, recording method and recording medium
- Publication number 20040027940
- Publication date Feb 12, 2004
- Junichi Minamino
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disk device and recording power determining method
- Publication number 20040022166
- Publication date Feb 5, 2004
- Mamoru Shoji
- G11 - INFORMATION STORAGE
Information Patent Application
Laser drive device
- Publication number 20030086456
- Publication date May 8, 2003
- Matsushita Electric Industrial Co., Ltd.
- Kenichi Tatehara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Semiconductor laser driving apparatus and optical disc apparatus in...
- Publication number 20020024909
- Publication date Feb 28, 2002
- Yuichi Kamioka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Apparatus and method of controlling laser power
- Publication number 20020021641
- Publication date Feb 21, 2002
- Yoshiyuki Miyabata
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc device
- Publication number 20010055251
- Publication date Dec 27, 2001
- Shinichi Konishi
- G11 - INFORMATION STORAGE
Information Patent Application
Optical disc device and recording power determining method
- Publication number 20010026516
- Publication date Oct 4, 2001
- Mamoru Shoji
- G11 - INFORMATION STORAGE

Toshiya Akagi

Person

Patents Grantslast 30 patents

Optical disc drive and recording method for optical disc drive

Information recording/reproducing device using optical disk and met...

Recording apparatus and recording method for recording data to a re...

Laser power controller and optical disk device

Optical disk device and emission current adjusting method for the same

Optical disk device and recording power determining method

Optical disc device

Recording/reproducing device

Information recording/reproducing device using optical disk and met...

Laser power control method and optical disk device

Semiconductor laser driving apparatus with filter to attenuate enha...

Laser drive device

Apparatus and method of controlling laser power

Laser power controller and optical disk device

Method and apparatus for determining optical recording power used f...

Laser drive device

Optical disc device

Semiconductor laser control method and semiconductor laser control...

Optical disk device

Controller and control method of laser power for recording informat...

Magneto-optic disk apparatus

Patents Applicationslast 30 patents

Optical disk device and emission current adjusting method for the same

Optical disc drive and recording method for optical disc drive

Optical disc drive and method of controlling write operation perfor...

Recording/reproducing device

Recording apparatus, recording method and recording medium

Optical disk device and recording power determining method

Laser drive device

Semiconductor laser driving apparatus and optical disc apparatus in...

Apparatus and method of controlling laser power

Optical disc device

Optical disc device and recording power determining method