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KAWASAKI-SHI, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical element, optical module, and optical transmission system
Patent number
9,952,390
Issue date
Apr 24, 2018
Fujitsu Limited
Manabu Matsuda
G02 - OPTICS
Information
Patent Grant
Optical semiconductor device and manufacturing method thereof
Patent number
9,819,153
Issue date
Nov 14, 2017
Fujitsu Limited
Ayahito Uetake
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical semiconductor device, optical semiconductor device array, a...
Patent number
9,728,938
Issue date
Aug 8, 2017
Fujitsu Limited
Manabu Matsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tunable laser and tunable laser module
Patent number
9,722,397
Issue date
Aug 1, 2017
Fujitsu Limited
Kazumasa Takabayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical device and optical module
Patent number
9,634,465
Issue date
Apr 25, 2017
Fujitsu Limited
Manabu Matsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor light emitting device and method for manufacturing th...
Patent number
8,906,721
Issue date
Dec 9, 2014
Fujitsu Limited
Nobuaki Hatori
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor laser
Patent number
8,705,583
Issue date
Apr 22, 2014
Fujitsu Limited
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Optical element and method for manufacturing the same
Patent number
8,494,320
Issue date
Jul 23, 2013
Fujitsu Limited
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Optical semiconductor device and method for manufacturing the same
Patent number
8,319,229
Issue date
Nov 27, 2012
Fujitsu Limited
Tsuyoshi Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser
Patent number
8,009,713
Issue date
Aug 30, 2011
Fujitsu Limited
Kan Takada
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Optical semiconductor device
Patent number
7,924,896
Issue date
Apr 12, 2011
Fujitsu Limited
Tsuyoshi Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical device and method for manufacturing the same
Patent number
7,899,283
Issue date
Mar 1, 2011
Fujitsu Limited
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor laser and manufacturing method thereof
Patent number
7,852,890
Issue date
Dec 14, 2010
Fujitsu Limited
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Optical device having diffraction gratings coupling guided wave, an...
Patent number
7,574,083
Issue date
Aug 11, 2009
Fujitsu Limited
Manabu Matsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical device coupling light propagating in optical waveguide with...
Patent number
7,496,127
Issue date
Feb 24, 2009
Fujitsu Limited
Manabu Matsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device and method of using the same
Patent number
6,437,361
Issue date
Aug 20, 2002
Fujitsu Limited
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Manufacturing method of a semiconductor device having a diffraction...
Patent number
6,376,338
Issue date
Apr 23, 2002
Fujitsu Limited
Mitsuru Ekawa
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Optical semiconductor device having a diffraction grating and fabri...
Patent number
6,088,377
Issue date
Jul 11, 2000
Fujitsu Limited
Manabu Matsuda
G02 - OPTICS
Information
Patent Grant
Fabrication process of optical semiconductor device having a diffra...
Patent number
5,981,307
Issue date
Nov 9, 1999
Fujitsu Limited
Manabu Matsuda
G02 - OPTICS
Information
Patent Grant
Optical transmission and reception device
Patent number
5,533,041
Issue date
Jul 2, 1996
Fujitsu Limited
Manabu Matsuda
G02 - OPTICS
Information
Patent Grant
Optical switching device
Patent number
5,477,363
Issue date
Dec 19, 1995
Fujitsu Limited
Manabu Matsuda
G02 - OPTICS
Information
Patent Grant
Surface emitting laser and method of manufacturing the same
Patent number
5,373,520
Issue date
Dec 13, 1994
Fujitsu Limited
Hajime Shoji
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of making a tunable laser diode having a distributed feedbac...
Patent number
5,358,898
Issue date
Oct 25, 1994
Fujitsu Limited
Shouichi Ogita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tunable laser diode having a distributed feedback structure
Patent number
5,170,402
Issue date
Dec 8, 1992
Fujitsu Limited
Shouichi Ogita
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL ELEMENT AND LIGHT GENERATING DEVICE
Publication number
20180013261
Publication date
Jan 11, 2018
Fujitsu Limited
Takeshi Matsumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL ELEMENT, OPTICAL MODULE, AND OPTICAL TRANSMISSION SYSTEM
Publication number
20170293085
Publication date
Oct 12, 2017
Fujitsu Limited
Manabu Matsuda
G02 - OPTICS
Information
Patent Application
OPTICAL DEVICE AND OPTICAL MODULE
Publication number
20170194766
Publication date
Jul 6, 2017
Fujitsu Limited
Manabu MATSUDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF
Publication number
20160164259
Publication date
Jun 9, 2016
Fujitsu Limited
Ayahito Uetake
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TUNABLE LASER AND TUNABLE LASER MODULE
Publication number
20160156149
Publication date
Jun 2, 2016
FUJITSU LIMITED
Kazumasa Takabayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL SEMICONDUCTOR DEVICE, OPTICAL SEMICONDUCTOR DEVICE ARRAY, A...
Publication number
20150093121
Publication date
Apr 2, 2015
FUJITSU LIMITED
Manabu Matsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL DEVICE AND OPTICAL MODULE
Publication number
20140294031
Publication date
Oct 2, 2014
Fujitsu Limited
Manabu MATSUDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING TH...
Publication number
20130267052
Publication date
Oct 10, 2013
Nobuaki Hatori
B82 - NANO-TECHNOLOGY
Information
Patent Application
OPTICAL ELEMENT AND METHOD FOR MANUFACTURING THE SAME
Publication number
20120002285
Publication date
Jan 5, 2012
Fujitsu Limited
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Application
OPTICAL SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20100327257
Publication date
Dec 30, 2010
FUJITSU LIMITED
Tsuyoshi YAMAMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL DEVICE AND METHOD FOR MANUFACTURING THE SAME
Publication number
20100322557
Publication date
Dec 23, 2010
Fujitsu Limited
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Application
SEMICONDUCTOR LASER
Publication number
20100265980
Publication date
Oct 21, 2010
Fujitsu Limited
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Application
SEMICONDUCTOR LASER
Publication number
20100040100
Publication date
Feb 18, 2010
FUJITSU LIMITED
Kan TAKADA
B82 - NANO-TECHNOLOGY
Information
Patent Application
SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING TH...
Publication number
20090086785
Publication date
Apr 2, 2009
Fujitsu Limited
Nobuaki HATORI
B82 - NANO-TECHNOLOGY
Information
Patent Application
OPTICAL SEMICONDUCTOR DEVICE
Publication number
20090052487
Publication date
Feb 26, 2009
Fujitsu Limited
Tsuyoshi Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL SEMICONDUCTOR DEVICE
Publication number
20080291952
Publication date
Nov 27, 2008
Fujitsu Limited
Tsuyoshi Yamamoto
B82 - NANO-TECHNOLOGY
Information
Patent Application
Optical device having diffraction gratings coupling guided wave, an...
Publication number
20080199131
Publication date
Aug 21, 2008
FUJITSU LIMITED
Manabu Matsuda
G02 - OPTICS
Information
Patent Application
Buried-heterostructure semiconductor laser
Publication number
20080013579
Publication date
Jan 17, 2008
FUJITSU LIMITED
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Application
Optical device coupling light propagating in optical waveguide with...
Publication number
20070133648
Publication date
Jun 14, 2007
FUJITSU LIMITED
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Application
Semiconductor laser and manufacturing method thereof
Publication number
20060120421
Publication date
Jun 8, 2006
FUJITSU LIMITED
Manabu Matsuda
B82 - NANO-TECHNOLOGY
Information
Patent Application
Distributed feedback laser diode
Publication number
20010048704
Publication date
Dec 6, 2001
FUJITSU LIMITED
Manabu Matsuda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MANHUFACTURE METHOD OF SEMICONDCTOR DEVICE HAVING A DIFFRACTION GRA...
Publication number
20010001734
Publication date
May 24, 2001
MITSURU EKAWA
B82 - NANO-TECHNOLOGY