Kenji Sahara

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Laser diode, optical pickup device, optical disk apparatus, and opt...
- Patent number 8,660,159
- Issue date Feb 25, 2014
- Sony Corporation
- Kanji Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser diode, optical pickup device, optical disk apparatus, and opt...
- Patent number 7,580,435
- Issue date Aug 25, 2009
- Sony Corporation
- Kanji Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical head device and information processing apparatus
- Patent number 7,339,877
- Issue date Mar 4, 2008
- Sony Corporation
- Kazuma Aiki
- G11 - INFORMATION STORAGE
Information Patent Grant
Laser diode, optical pickup device, optical disk apparatus, and opt...
- Patent number 6,879,613
- Issue date Apr 12, 2005
- Sony Corporation
- Kanji Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser, optical pickup device, and optical record and/...
- Patent number 5,940,423
- Issue date Aug 17, 1999
- Sony Corporation
- Kenji Sahara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device and method of manufacturing the same
- Patent number 5,920,587
- Issue date Jul 6, 1999
- Sony Corporation
- Hironobu Narui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device
- Patent number 5,883,913
- Issue date Mar 16, 1999
- Sony Corporation
- Masato Doi
- G02 - OPTICS
Information Patent Grant
Semiconductor laser device to detect a divided reflected light beam
- Patent number 5,708,645
- Issue date Jan 13, 1998
- Sony Corporation
- Kenji Sahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical device having a light emitter and a photosensor on the same...
- Patent number 5,679,947
- Issue date Oct 21, 1997
- Sony Corporation
- Masato Doi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical device for magneto-optical disc system
- Patent number 5,608,233
- Issue date Mar 4, 1997
- Sony Corporation
- Kenji Sahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser device to detect a divided reflected light beam
- Patent number 5,568,463
- Issue date Oct 22, 1996
- Sony Corporation
- Kenji Sahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser with optimum resonator
- Patent number 5,438,583
- Issue date Aug 1, 1995
- Sony Corporation
- Hironobu Narui
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Laser Diode, Optical Pickup Device, Optical Disk Apparatus, and Opt...
- Publication number 20090304037
- Publication date Dec 10, 2009
- Kanji Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Laser diode, optical pickup device, optical disk apparatus, and opt...
- Publication number 20050163180
- Publication date Jul 28, 2005
- Sony Corporation
- Kanji Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical head device and information processing apparatus
- Publication number 20040120243
- Publication date Jun 24, 2004
- Kazuma Aiki
- G11 - INFORMATION STORAGE
Information Patent Application
Laser diode, optical pickup device, optical disk apparatus, and opt...
- Publication number 20030031220
- Publication date Feb 13, 2003
- Kanji Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS

Kenji Sahara

Person

Patents Grantslast 30 patents

Laser diode, optical pickup device, optical disk apparatus, and opt...

Laser diode, optical pickup device, optical disk apparatus, and opt...

Optical head device and information processing apparatus

Laser diode, optical pickup device, optical disk apparatus, and opt...

Semiconductor laser, optical pickup device, and optical record and/...

Optical device and method of manufacturing the same

Optical device

Semiconductor laser device to detect a divided reflected light beam

Optical device having a light emitter and a photosensor on the same...

Optical device for magneto-optical disc system

Semiconductor laser device to detect a divided reflected light beam

Semiconductor laser with optimum resonator

Patents Applicationslast 30 patents

Laser Diode, Optical Pickup Device, Optical Disk Apparatus, and Opt...

Laser diode, optical pickup device, optical disk apparatus, and opt...

Optical head device and information processing apparatus

Laser diode, optical pickup device, optical disk apparatus, and opt...