Hisashi Senga

Person

Osaka, JP

People

Patents Grantslast 30 patents

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 pickup and optical disc device
- Patent number 7,697,400
- Issue date Apr 13, 2010
- Panasonic Corporation
- Hisashi Senga
- 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
Laser control unit, laser control circuit, and laser-power adjustme...
- Patent number 7,366,080
- Issue date Apr 29, 2008
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Senga
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for controlling laser power using a test light...
- Patent number 7,310,293
- Issue date Dec 18, 2007
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Senga
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disc drive for controlling laser emission
- Patent number 7,177,253
- Issue date Feb 13, 2007
- Matsushita Electric Industrial Co., Ltd.
- Hiromichi Ishibashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Driving method and driving circuit of light source apparatus
- Patent number 7,085,297
- Issue date Aug 1, 2006
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Senga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light source apparatus and its control method
- Patent number 7,010,006
- Issue date Mar 7, 2006
- Matsushita Electric Industrial Co., Ltd.
- Ken'ichi Kasazumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser drive method and laser drive system
- Patent number 6,642,952
- Issue date Nov 4, 2003
- Matsushita Electric Industrial Co., Ltd.
- Shigeru Furumiya
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL PICKUP AND OPTICAL DISC DEVICE
- Publication number 20100149949
- Publication date Jun 17, 2010
- PANASONIC CORPORATION
- Hisashi Senga
- 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
LASER DRIVING DEVICE
- Publication number 20090074018
- Publication date Mar 19, 2009
- Hisashi Senga
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL PICKUP AND OPTICAL DISC DEVICE
- Publication number 20090052492
- Publication date Feb 26, 2009
- Hisashi Senga
- G11 - INFORMATION STORAGE
Information Patent Application
Laser Driving Device, Optical Head Incorporating Laser Driving Devi...
- Publication number 20090040904
- Publication date Feb 12, 2009
- Toshio Matsumoto
- 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 drive
- Publication number 20050254403
- Publication date Nov 17, 2005
- Hiromichi Ishibashi
- G11 - INFORMATION STORAGE
Information Patent Application
Laser control unit, laser control circuit, and laser-power adjustme...
- Publication number 20050105569
- Publication date May 19, 2005
- Hisashi Senga
- G11 - INFORMATION STORAGE
Information Patent Application
Laser driving device
- Publication number 20050069002
- Publication date Mar 31, 2005
- Hisashi Senga
- G11 - INFORMATION STORAGE
Information Patent Application
Driving method and driving circuit of light source apparatus
- Publication number 20040264525
- Publication date Dec 30, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Senga
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method and apparatus for controlling laser power
- Publication number 20040257940
- Publication date Dec 23, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hisashi Senga
- G11 - INFORMATION STORAGE
Information Patent Application
Light source apparatus and its control method
- Publication number 20040066807
- Publication date Apr 8, 2004
- Ken?apos;ichi Kasazumi
- G02 - OPTICS
Information Patent Application
Laser drive method and laser drive system
- Publication number 20020044197
- Publication date Apr 18, 2002
- Shigeru Furumiya
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Hisashi Senga

Person

Patents Grantslast 30 patents

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

Optical pickup and optical disc device

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

Laser control unit, laser control circuit, and laser-power adjustme...

Method and apparatus for controlling laser power using a test light...

Optical disc drive for controlling laser emission

Driving method and driving circuit of light source apparatus

Light source apparatus and its control method

Laser drive method and laser drive system

Patents Applicationslast 30 patents

OPTICAL PICKUP AND OPTICAL DISC DEVICE

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

LASER DRIVING DEVICE

OPTICAL PICKUP AND OPTICAL DISC DEVICE

Laser Driving Device, Optical Head Incorporating Laser Driving Devi...

Optical recording/reproducing apparatus

Optical disc drive

Laser control unit, laser control circuit, and laser-power adjustme...

Laser driving device

Driving method and driving circuit of light source apparatus

Method and apparatus for controlling laser power

Light source apparatus and its control method

Laser drive method and laser drive system