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Shinji Sakano
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Kokubunji, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Plural camera images capturing and processing apparatus, and compos...
Patent number
9,423,355
Issue date
Aug 23, 2016
Hitachi, Ltd.
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information providing server and wireless communication terminal
Patent number
8,484,320
Issue date
Jul 9, 2013
Hitachi, Ltd.
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic echo canceller system
Patent number
8,126,161
Issue date
Feb 28, 2012
Hitachi, Ltd.
Masahito Togami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Television phone adaptor
Patent number
7,567,269
Issue date
Jul 28, 2009
Hitachi Communication Technologies, Ltd.
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network
Patent number
7,302,176
Issue date
Nov 27, 2007
Hitachi, Ltd.
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transponder and wavelength division-multiplexing optical transmissi...
Patent number
7,020,401
Issue date
Mar 28, 2006
Hitachi, Ltd.
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network system with quality control function
Patent number
6,990,294
Issue date
Jan 24, 2006
Hitachi, Ltd.
Yoshiaki Ikoma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High performance optical add/drop multiplexer and optical wavelengt...
Patent number
6,611,638
Issue date
Aug 26, 2003
Hitachi, Ltd.
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber amplifier and optical transmission system using the same
Patent number
6,532,103
Issue date
Mar 11, 2003
Hitachi, Ltd.
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber amplifier and optical transmission system using the same
Patent number
6,433,925
Issue date
Aug 13, 2002
Hitachi, Ltd.
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber and method for coupling optical fibers
Patent number
6,393,182
Issue date
May 21, 2002
Hitachi, Ltd.
Shinji Sakano
G02 - OPTICS
Information
Patent Grant
Light amplification medium control method, light amplification appa...
Patent number
6,297,902
Issue date
Oct 2, 2001
Hitachi, Ltd.
Junya Kosaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifier unit control methods, optical amplifier systems a...
Patent number
6,262,835
Issue date
Jul 17, 2001
Hitachi, Ltd.
Junya Kosaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifier unit control methods, optical amplifier systems a...
Patent number
6,233,091
Issue date
May 15, 2001
Hitachi, Ltd.
Junya Kosaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber and method for coupling optical fibers
Patent number
6,173,095
Issue date
Jan 9, 2001
Hitachi, Ltd.
Shinji Sakano
G02 - OPTICS
Information
Patent Grant
Optical amplifier unit control methods optical amplifier systems an...
Patent number
6,078,422
Issue date
Jun 20, 2000
Hitachi, Ltd.
Junya Kosaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber and method for coupling optical fibers
Patent number
5,930,421
Issue date
Jul 27, 1999
Hitachi, Ltd.
Shinji Sakano
G02 - OPTICS
Information
Patent Grant
Semiconductor optical integrated device and light receiver using sa...
Patent number
5,574,289
Issue date
Nov 12, 1996
Hitachi, Ltd.
Masahiro Aoki
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor laser device with plural active layers and changing o...
Patent number
5,177,758
Issue date
Jan 5, 1993
Hitachi, Ltd.
Akihiko Oka
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Wavelength tunable laser diode
Patent number
5,173,909
Issue date
Dec 22, 1992
Hitachi, Ltd.
Shinji Sakano
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor laser device suitable for optical communications syst...
Patent number
5,170,404
Issue date
Dec 8, 1992
Hitachi, Ltd.
Tsukuru Ohtoshi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor laser device capable of controlling wavelength shift
Patent number
5,119,393
Issue date
Jun 2, 1992
Hitachi, Ltd.
Akihiko Oka
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Device having superlattice structure, and method of and apparatus f...
Patent number
5,113,072
Issue date
May 12, 1992
Hitachi, Ltd.
Hiroshi Yamaguchi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor optical device
Patent number
5,042,049
Issue date
Aug 20, 1991
Hitachi, Ltd.
Tsukuru Ohtoshi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of manufacturing devices having superlattice structures
Patent number
4,983,540
Issue date
Jan 8, 1991
Hitachi, Ltd.
Hiroshi Yamaguchi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Optical device
Patent number
4,900,134
Issue date
Feb 13, 1990
Hitachi, Ltd.
Hiroaki Inoue
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Surface emitting type semiconductor laser
Patent number
4,894,835
Issue date
Jan 16, 1990
Hitachi, Ltd.
Kazuhisa Uomi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical devices and optical integrated circuits
Patent number
4,887,877
Issue date
Dec 19, 1989
Hitachi, Ltd.
Hiroaki Inoue
G02 - OPTICS
Information
Patent Grant
Semiconductor laser device of variable wavelength type
Patent number
4,885,753
Issue date
Dec 5, 1989
Hitachi, Ltd.
Makoto Okai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wavelength-tunable semiconductor laser
Patent number
4,873,691
Issue date
Oct 10, 1989
Hitachi, Ltd.
Kazuhisa Uomi
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
PLURAL CAMERA IMAGES CAPTURING AND PROCESSING APPARATUS, AND COMPOS...
Publication number
20140240451
Publication date
Aug 28, 2014
Hitachi, Ltd
Shinji SAKANO
G01 - MEASURING TESTING
Information
Patent Application
INFORMATION PROVIDING SERVER AND WIRELESS COMMUNICATION TERMINAL
Publication number
20130295907
Publication date
Nov 7, 2013
Shinji SAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROVIDING SERVER AND WIRELESS COMMUNICATION TERMINAL
Publication number
20110047288
Publication date
Feb 24, 2011
Shinji SAKANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ACOUSTIC ECHO CANCELLER SYSTEM
Publication number
20080107281
Publication date
May 8, 2008
Masahito Togami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmission system
Publication number
20070172239
Publication date
Jul 26, 2007
Tomotaka Yamazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical termination apparatus and optical transmission system
Publication number
20070065089
Publication date
Mar 22, 2007
Tadashi Matsuoka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Television phone adapter
Publication number
20050243806
Publication date
Nov 3, 2005
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical network
Publication number
20040213564
Publication date
Oct 28, 2004
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transponder and wavelength division-multiplexing optical transmissi...
Publication number
20020159130
Publication date
Oct 31, 2002
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical network system with quality control function
Publication number
20020097460
Publication date
Jul 25, 2002
Yoshiaki Ikoma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
High performance optical add/drop multiplexer and optical wavelengt...
Publication number
20020094155
Publication date
Jul 18, 2002
Shinji Sakano
G02 - OPTICS
Information
Patent Application
Optical network
Publication number
20010026384
Publication date
Oct 4, 2001
Shinji Sakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE