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Chiba-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor light-emitting device
Patent number
9,472,713
Issue date
Oct 18, 2016
Kabushiki Kaisha Toshiba
Koichi Genei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting device and optical transmission system
Patent number
8,417,072
Issue date
Apr 9, 2013
Kabushiki Kaisha Toshiba
Koichi Genei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser element, method of fabrication thereof, and mul...
Patent number
7,295,588
Issue date
Nov 13, 2007
Kabushiki Kaisha Toshiba
Akira Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device and its manufacturing method
Patent number
7,221,692
Issue date
May 22, 2007
Kabushiki Kaisha Toshiba
Akira Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser and method for manufacturing the same
Patent number
7,164,701
Issue date
Jan 16, 2007
Kabushiki Kaisha Toshiba
Akira Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device which removes influences from returning...
Patent number
6,804,276
Issue date
Oct 12, 2004
Kabushiki Kaisha Toshiba
Koichi Gen-ei
G11 - INFORMATION STORAGE
Information
Patent Grant
Light emitting device
Patent number
D485376
Issue date
Jan 13, 2004
Kabushiki Kaisha Toshiba
Seiji Iida
D26 - Lighting
Information
Patent Grant
Semiconductor laser and method of manufacturing the same
Patent number
6,667,187
Issue date
Dec 23, 2003
Kabushiki Kaisha Toshiba
Koichi Genei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device and method of fabricating the same
Patent number
6,628,689
Issue date
Sep 30, 2003
Kabushiki Kaisha Toshiba
Makoto Okada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monolithic multi-wavelength semiconductor laser unit
Patent number
6,618,420
Issue date
Sep 9, 2003
Kabushiki Kaisha Toshiba
Koichi Gen-Ei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting device
Patent number
D456534
Issue date
Apr 30, 2002
Kabushiki Kaisha Toshiba
Seiji Iida
D26 - Lighting
Information
Patent Grant
Semiconductor laser and method of manufacturing the same
Patent number
6,370,177
Issue date
Apr 9, 2002
Kabushiki Kaisha Toshiba
Koichi Genei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Light emitting device
Patent number
D454966
Issue date
Mar 26, 2002
Kabushiki Kaisha Toshiba
Seiji Iida
D26 - Lighting
Information
Patent Grant
Semiconductor laser amplifier
Patent number
5,229,879
Issue date
Jul 20, 1993
Kabushiki Kaisha Toshiba
Koichi Gen-ei
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR LIGHT-EMITTING DEVICE
Publication number
20140077221
Publication date
Mar 20, 2014
KABUSHIKI KAISHA TOSHIBA
Koichi GENEI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT EMITTING DEVICE AND OPTICAL TRANSMISSION SYSTEM
Publication number
20120027341
Publication date
Feb 2, 2012
Kabushiki Kaisha Toshiba
Koichi Genei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser device and its manufacturing method
Publication number
20050030997
Publication date
Feb 10, 2005
Akira Tanaka
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor laser element, method of fabrication thereof, and mul...
Publication number
20040156408
Publication date
Aug 12, 2004
Kabushiki Kaisha Toshiba
Akira Tanaka
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor laser and method for manufacturing the same
Publication number
20040114651
Publication date
Jun 17, 2004
Kabushiki Kaisha Toshiba
Akira Tanaka
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor laser device and method of fabricating the same
Publication number
20040032895
Publication date
Feb 19, 2004
Kabushiki Kaishi Toshiba
Makoto Okada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser and method of manufacturing the same
Publication number
20030043875
Publication date
Mar 6, 2003
Kabushiki Kaisha Toshiba
Koichi Gen-Ei
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor laser device which removes influences from returning...
Publication number
20020105981
Publication date
Aug 8, 2002
Koichi Gen-ei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser and method of manufacturing the same
Publication number
20020075928
Publication date
Jun 20, 2002
Kabushiki Kaisha Toshiba
Koichi Genei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser device and method of fabricating the same
Publication number
20010022796
Publication date
Sep 20, 2001
Kabushiki Kaisha Toshiba
Makoto Okada
H01 - BASIC ELECTRIC ELEMENTS