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Akio Sugama
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Atsugi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wavelength demultiplexer, optical transceiver front-end module, pho...
Patent number
11,709,317
Issue date
Jul 25, 2023
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Optical module and method of manufacturing the same
Patent number
10,591,690
Issue date
Mar 17, 2020
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Optical branching waveguide and optical module
Patent number
10,429,583
Issue date
Oct 1, 2019
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Grating coupler and optical waveguide device
Patent number
9,874,700
Issue date
Jan 23, 2018
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Wavelength multiplexer/demultiplexer and optical module
Patent number
9,772,449
Issue date
Sep 26, 2017
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Optically interconnected chip, method of testing the same, and opti...
Patent number
9,479,286
Issue date
Oct 25, 2016
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Electronic apparatus, method for manufacturing electronic apparatus...
Patent number
9,465,164
Issue date
Oct 11, 2016
Fujitsu Limited
Shinya Sasaki
G02 - OPTICS
Information
Patent Grant
Optical waveguide component, manufacturing method therefor, and opt...
Patent number
9,417,392
Issue date
Aug 16, 2016
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Optical module method of manufacturing the same
Patent number
7,565,044
Issue date
Jul 21, 2009
Fujitsu Limited
Tomoyuki Akahoshi
G02 - OPTICS
Information
Patent Grant
Optical waveguide structure, optical module and lens array
Patent number
7,565,047
Issue date
Jul 21, 2009
Fujitsu Limited
Motoyuki Nishizawa
G02 - OPTICS
Information
Patent Grant
Optical module and method of manufacturing the same
Patent number
7,522,788
Issue date
Apr 21, 2009
Fujitsu Limited
Tomoyuki Akahoshi
G02 - OPTICS
Information
Patent Grant
Optical transmission device with optical waveguide coupled to optic...
Patent number
7,099,534
Issue date
Aug 29, 2006
Fujitsu Limited
Masayuki Kato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optical wiring substrate, method of manufacturing optical wiring su...
Patent number
7,068,871
Issue date
Jun 27, 2006
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Waveguide-type optical device and optical switch
Patent number
6,968,105
Issue date
Nov 22, 2005
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Optical switch and optical switch module
Patent number
6,931,168
Issue date
Aug 16, 2005
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Optical wiring substrate, method of manufacturing optical wiring su...
Patent number
6,810,160
Issue date
Oct 26, 2004
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Optical switch
Patent number
6,778,726
Issue date
Aug 17, 2004
Fujitsu Limited
Masayuki Kato
G02 - OPTICS
Information
Patent Grant
Optical wiring connection structure enabling optical cross connect...
Patent number
6,751,393
Issue date
Jun 15, 2004
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Grant
Optical deflecting element, optical switch module, light signal swi...
Patent number
6,504,966
Issue date
Jan 7, 2003
Fujitsu Limited
Masayuki Kato
G02 - OPTICS
Information
Patent Grant
Small glass electrode
Patent number
5,837,113
Issue date
Nov 17, 1998
Fujitsu Limited
Hiroaki Suzuki
G01 - MEASURING TESTING
Information
Patent Grant
Process for preparation of small glass electrode
Patent number
5,660,741
Issue date
Aug 26, 1997
Fujitsu Ltd.
Hiroaki Suzuki
G01 - MEASURING TESTING
Information
Patent Grant
Miniaturized oxygen electrode and process of producing same
Patent number
5,573,649
Issue date
Nov 12, 1996
Fujitsu Limited
Akio Sugama
G01 - MEASURING TESTING
Information
Patent Grant
Small size apparatus for measuring and recording acceleration
Patent number
5,541,860
Issue date
Jul 30, 1996
Fujitsu Limited
Fumio Takei
G01 - MEASURING TESTING
Information
Patent Grant
Miniaturized oxygen electrode
Patent number
5,492,611
Issue date
Feb 20, 1996
Fujitsu Limited
Akio Sugama
G01 - MEASURING TESTING
Information
Patent Grant
Electrolyte composition for screen printing and miniaturized oxygen...
Patent number
5,478,460
Issue date
Dec 26, 1995
Fujitsu Limited
Akio Sugama
G01 - MEASURING TESTING
Information
Patent Grant
Electrolyte composition for screen printing and miniaturized oxygen...
Patent number
5,468,408
Issue date
Nov 21, 1995
Fujitsu Limited
Akio Sugama
G01 - MEASURING TESTING
Information
Patent Grant
Oxygen electrode and temperature sensor
Patent number
5,431,806
Issue date
Jul 11, 1995
Fujitsu Limited
Hiroaki Suzuki
G01 - MEASURING TESTING
Information
Patent Grant
Small glass electrode
Patent number
5,417,837
Issue date
May 23, 1995
Fujitsu Limited
Hiroaki Suzuki
G01 - MEASURING TESTING
Information
Patent Grant
Oxygen electrode
Patent number
5,358,619
Issue date
Oct 25, 1994
Fujitsu Limited
Hiroaki Suzuki
G01 - MEASURING TESTING
Information
Patent Grant
Miniaturized oxygen electrode
Patent number
5,326,450
Issue date
Jul 5, 1994
Fujitsu Limited
Akio Sugama
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL COMMUNICATION DEVICE THAT TRANSMITS WDM SIGNAL AND TRANSMIS...
Publication number
20240214103
Publication date
Jun 27, 2024
Fujitsu Limited
Shun OKADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MODULE AND OPTICAL COMMUNICATION DEVICE
Publication number
20230400626
Publication date
Dec 14, 2023
Fujitsu Limited
Akio SUGAMA
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
WAVELENGTH DEMULTIPLEXER, OPTICAL TRANSCEIVER FRONT-END MODULE, PHO...
Publication number
20220236483
Publication date
Jul 28, 2022
Fujitsu Limited
Akio SUGAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL MODULE AND METHOD OF MANUFACTURING THE SAME
Publication number
20180348458
Publication date
Dec 6, 2018
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Application
OPTICAL BRANCHING WAVEGUIDE AND OPTICAL MODULE
Publication number
20180172904
Publication date
Jun 21, 2018
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Application
WAVELENGTH MULTIPLEXER/DEMULTIPLEXER AND OPTICAL MODULE
Publication number
20170139143
Publication date
May 18, 2017
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Application
GRATING COUPLER AND OPTICAL WAVEGUIDE DEVICE
Publication number
20170115456
Publication date
Apr 27, 2017
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Application
OPTICALLY INTERCONNECTED CHIP, METHOD OF TESTING THE SAME, AND OPTI...
Publication number
20150295675
Publication date
Oct 15, 2015
Fujitsu Limited
Akio Sugama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL WAVEGUIDE COMPONENT, MANUFACTURING METHOD THEREFOR, AND OPT...
Publication number
20150093070
Publication date
Apr 2, 2015
Fujitsu Limited
Akio Sugama
G02 - OPTICS
Information
Patent Application
ELECTRONIC APPARATUS, METHOD FOR MANUFACTURING ELECTRONIC APPARATUS...
Publication number
20140301696
Publication date
Oct 9, 2014
Fujitsu Limited
Shinya Sasaki
G02 - OPTICS
Information
Patent Application
OPTICAL MODULE METHOD OF MANUFACTURING THE SAME
Publication number
20080199129
Publication date
Aug 21, 2008
Fujitsu Limited
Tomoyuki AKAHOSHI
G02 - OPTICS
Information
Patent Application
OPTICAL MODULE AND METHOD OF MANUFACTURING THE SAME
Publication number
20080166086
Publication date
Jul 10, 2008
Fujitsu Limited
Tomoyuki AKAHOSHI
G02 - OPTICS
Information
Patent Application
Optical waveguide structure, optical module and lens array
Publication number
20060291777
Publication date
Dec 28, 2006
FUJITSU LIMITED
Motoyuki Nishizawa
G02 - OPTICS
Information
Patent Application
Optical wiring substrate, method of manufacturing optical wiring su...
Publication number
20050041906
Publication date
Feb 24, 2005
Akio Sugama
G02 - OPTICS
Information
Patent Application
Optical switch and optical switch module
Publication number
20030235362
Publication date
Dec 25, 2003
FUJITSU LIMITED
Akio Sugama
G02 - OPTICS
Information
Patent Application
Optical switch
Publication number
20030179976
Publication date
Sep 25, 2003
FUJITSU LIMITED
Masayuki Kato
G02 - OPTICS
Information
Patent Application
Waveguide-type optical device and optical switch
Publication number
20030152329
Publication date
Aug 14, 2003
FUJITSU LIMITED
Akio Sugama
G02 - OPTICS
Information
Patent Application
Optical wiring connection structure having reduced size and enablin...
Publication number
20030077061
Publication date
Apr 24, 2003
FUJITSU LIMITED
Akio Sugama
G02 - OPTICS
Information
Patent Application
Optical transmission device with optical waveguide coupled to optic...
Publication number
20020197010
Publication date
Dec 26, 2002
FUJITSU LIMITED
Masayuki Kato
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Optical wiring substrate, method of manufacturing optical wiring su...
Publication number
20020118907
Publication date
Aug 29, 2002
Akio Sugama
G02 - OPTICS
Information
Patent Application
Optical deflecting element, optical switch module, light signal swi...
Publication number
20020114556
Publication date
Aug 22, 2002
Masayuki Kato
G02 - OPTICS