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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical receiver and light receiving method
Patent number
9,344,199
Issue date
May 17, 2016
Fujitsu Optical Components Limited
Kenichi Kawazoe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light reception device and method for controlling the same
Patent number
8,639,125
Issue date
Jan 28, 2014
Fujitsu Optical Components Limited
Koji Terada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Demodulator and receiving device
Patent number
8,270,850
Issue date
Sep 18, 2012
Fujitsu Limited
Takashi Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiving circuit
Patent number
8,184,994
Issue date
May 22, 2012
Fujitsu Limited
Koji Terada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Demodulator
Patent number
8,068,273
Issue date
Nov 29, 2011
Fujitsu Limited
Takashi Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flexible printed-circuit boards bonding method and printed circuit...
Patent number
7,958,632
Issue date
Jun 14, 2011
Fujitsu Limited
Jun Matsui
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic part and circuit substrate
Patent number
7,874,847
Issue date
Jan 25, 2011
Fujitsu Limited
Jun Matsui
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Wavelength superimposing device, manufacturing method therefor, and...
Patent number
7,860,397
Issue date
Dec 28, 2010
Fujitsu Limited
Kazuyuki Mori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical module and manufacturing method thereof
Patent number
7,674,017
Issue date
Mar 9, 2010
Fujitsu Limited
Jun Matsui
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Optical module
Patent number
7,583,867
Issue date
Sep 1, 2009
Fujitsu Limited
Koji Terada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Substrate, substrate adapted for interconnecting optical elements a...
Patent number
7,519,243
Issue date
Apr 14, 2009
Fujitsu Limited
Koji Terada
G02 - OPTICS
Information
Patent Grant
Wavelength selective and level adjusting optical device
Patent number
7,428,355
Issue date
Sep 23, 2008
Fujitsu Limited
Koji Terada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical device with slab waveguide and channel waveguides on substrate
Patent number
7,400,793
Issue date
Jul 15, 2008
Fujitsu Limited
Haruhiko Tabuchi
G02 - OPTICS
Information
Patent Grant
Optical device with slab waveguide and channel waveguides on substrate
Patent number
7,386,206
Issue date
Jun 10, 2008
Fujitsu Limited
Haruhiko Tabuchi
G02 - OPTICS
Information
Patent Grant
Optical wavelength switch having planar lightwave circuit structure
Patent number
7,349,593
Issue date
Mar 25, 2008
Fujitsu Limited
Hidehiko Nakata
G02 - OPTICS
Information
Patent Grant
Optical device
Patent number
7,239,770
Issue date
Jul 3, 2007
Fujitsu Limited
Koji Terada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical wavelength switch having planar lightwave circuit structure
Patent number
7,095,918
Issue date
Aug 22, 2006
Fujitsu Limited
Hidehiko Nakata
G02 - OPTICS
Information
Patent Grant
Optical transmitting and receiving device and the manufacturing method
Patent number
6,579,739
Issue date
Jun 17, 2003
Fujitsu Limited
Koji Terada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical transmitting and receiving device and the manufacturing method
Patent number
6,552,366
Issue date
Apr 22, 2003
Fujitsu Limited
Koji Terada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Resin sealed optical module
Patent number
6,269,209
Issue date
Jul 31, 2001
Fujitsu Limited
Koji Terada
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL COHERENT TRANSCEIVER AND LIGHT-OFF METHOD BY OPTICAL MODULATOR
Publication number
20230102995
Publication date
Mar 30, 2023
FUJITSU OPTICAL COMPONENTS LIMITED
Tetsuji YAMABANA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEIVER AND LIGHT RECEIVING METHOD
Publication number
20140334831
Publication date
Nov 13, 2014
FUJITSU OPTICAL COMPONENTS LIMITED
Kenichi KAWAZOE
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
LIGHT RECEPTION DEVICE AND METHOD FOR CONTROLLING THE SAME
Publication number
20110262149
Publication date
Oct 27, 2011
FUJITSU OPTICAL COMPONENTS LIMITED
Koji TERADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEMODULATOR AND RECEIVING DEVICE
Publication number
20100129089
Publication date
May 27, 2010
FUJITSU LIMITED
Takashi Shimizu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEIVING CIRCUIT
Publication number
20100119230
Publication date
May 13, 2010
FUJITSU LIMITED
Koji TERADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEMODULATOR
Publication number
20100085630
Publication date
Apr 8, 2010
FUJITSU LIMITED
Takashi SHIMIZU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL CIRCUIT
Publication number
20100074570
Publication date
Mar 25, 2010
FUJITSU LIMITED
Koji TERADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHASE-MODULATED SIGNAL RECEIVING DEVICE
Publication number
20090252505
Publication date
Oct 8, 2009
FUJITSU LIMITED
Koji TERADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL CIRCUIT AND RECEIVER CIRCUIT
Publication number
20090245798
Publication date
Oct 1, 2009
FUJITSU LIMITED
Koji TERADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MODULE AND MANUFACTURING METHOD THEREOF
Publication number
20080285303
Publication date
Nov 20, 2008
FUJITSU LIMITED
Jun Matsui
G02 - OPTICS
Information
Patent Application
Multiplexer-demultiplexer, receiver, transmitter, and manufacturing...
Publication number
20080112668
Publication date
May 15, 2008
FUJITSU LIMITED
Koji Terada
G02 - OPTICS
Information
Patent Application
Wavelength superimposing device, manufacturing method therefor, and...
Publication number
20080069566
Publication date
Mar 20, 2008
FUJITSU LIMITED
Kazuyuki Mori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Electronic part and circuit substrate
Publication number
20080018423
Publication date
Jan 24, 2008
Jun Matsui
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Flexible printed-circuit boards bonding method and printed circuit...
Publication number
20070284135
Publication date
Dec 13, 2007
Fujitsu Limited
Jun Matsui
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAVELENGTH SELECTIVE AND LEVEL ADJUSTING OPTICAL DEVICE
Publication number
20070258678
Publication date
Nov 8, 2007
FUJITSU LIMITED
Koji TERADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical device
Publication number
20060274994
Publication date
Dec 7, 2006
Koji Terada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical device with slab waveguide and channel waveguides on substrate
Publication number
20060257091
Publication date
Nov 16, 2006
FUJITSU LIMITED
Haruhiko Tabuchi
G02 - OPTICS
Information
Patent Application
Optical wavelength switch having planar lightwave circuit structure
Publication number
20060252170
Publication date
Nov 9, 2006
Hidehiko Nakata
G02 - OPTICS
Information
Patent Application
Optical module
Publication number
20060110096
Publication date
May 25, 2006
FUJITSU LIMITED
Koji Terada
G02 - OPTICS
Information
Patent Application
Substrate, substrate adapted for interconnecting optical elements a...
Publication number
20060028926
Publication date
Feb 9, 2006
FUJITSU LIMITED
Koji Terada
G02 - OPTICS
Information
Patent Application
Optical device and manufacturing method thereof
Publication number
20060024593
Publication date
Feb 2, 2006
FUJITSU LIMITED
Shinji Maruyama
G02 - OPTICS
Information
Patent Application
Optical module, manufacturing method therefor, protective component...
Publication number
20050201666
Publication date
Sep 15, 2005
FUJITSU LIMITED
Koji Terada
G02 - OPTICS
Information
Patent Application
Optical wavelength switch having planar lightwave circuit structure
Publication number
20040264846
Publication date
Dec 30, 2004
Hidehiko Nakata
G02 - OPTICS
Information
Patent Application
Optical device with slab waveguide and channel waveguides on substrate
Publication number
20040151432
Publication date
Aug 5, 2004
FUJITSU LIMITED
Haruhiko Tabuchi
G02 - OPTICS
Information
Patent Application
Optical tansmitting and receiving device and the manufacturing method
Publication number
20020027230
Publication date
Mar 7, 2002
FUJITSU LIMITED
Koji Terada
G02 - OPTICS