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Itsuro MORITA
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Saitama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Coherent optical communication apparatus and method
Patent number
8,081,885
Issue date
Dec 20, 2011
KDDI Corporation
Sander Lars Jansen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Soliton pulse compression optical fiber and method for making solit...
Patent number
6,549,711
Issue date
Apr 15, 2003
Shin-Etsu Chemical Co., Ltd.
Tadakatsu Shimada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical pulse position detecting circuit and an optical pulse gener...
Patent number
6,445,478
Issue date
Sep 3, 2002
Mitsubishi Denki Kabushiki Kaisha
Katsuhiro Shimizu
G02 - OPTICS
Information
Patent Grant
Optical pulse position detecting circuit and an optical pulse gener...
Patent number
6,236,488
Issue date
May 22, 2001
Mitsubishi Denki Kabushiki Kaisha
Katsuhiro Shimizu
G02 - OPTICS
Information
Patent Grant
Optical transmission device, WDM optical transmission apparatus, an...
Patent number
6,005,702
Issue date
Dec 21, 1999
Kokusai Denshin Denwa Kabushiki Kaisha
Masatoshi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical pulse generator
Patent number
5,898,714
Issue date
Apr 27, 1999
Kokusai Denshin Denwa Kabushiki Kaisha
Itsuro Morita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical modulator, optical short pulse generating device, optical w...
Patent number
5,889,607
Issue date
Mar 30, 1999
Kokusai Denshin Denwa Kabushiki Kaisha
Masatoshi Suzuki
G02 - OPTICS
Information
Patent Grant
Optical frequency shifter and optical soliton-like return-to-zero p...
Patent number
5,864,421
Issue date
Jan 26, 1999
Kokusai Denshin Denwa Kabushiki Kaisha
Masatoshi Suzuki
G02 - OPTICS
Information
Patent Grant
Optically amplifying transmission system
Patent number
5,808,789
Issue date
Sep 15, 1998
Kokusai Denshin Denwa Kabushiki Kaisha
Noboru Edagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system
Patent number
5,642,215
Issue date
Jun 24, 1997
Kokusai Denshin Denwa Kabushiki Kaisha
Masatoshi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifying-repeating transmission system
Patent number
5,629,795
Issue date
May 13, 1997
Kokusai Denshin Denwa Kabushiki Kaisha
Masatoshi Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical amplifying transmitting system
Patent number
5,574,590
Issue date
Nov 12, 1996
Kokusai Denshin Denwa Kabushiki Kaisha
Noboru Edagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL FIBER AMPLIFICATION SYSTEM AND OPTICAL COMMUNICATION SYSTEM
Publication number
20230038133
Publication date
Feb 9, 2023
FURUKAWA ELECTRIC CO., LTD.
Shigehiro TAKASAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL COMMUNICATION APPARATUS AND OPTICAL COMMUNICATION METHOD
Publication number
20110222858
Publication date
Sep 15, 2011
KDDI R&D Laboratories Inc.
Hidenori TAKAHASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COHERENT OPTICAL COMMUNICATION APPARATUS AND METHOD
Publication number
20080232823
Publication date
Sep 25, 2008
KDDI CORPORATION
Sander Lars JANSEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmission system and optical transmitter and methods the...
Publication number
20040052532
Publication date
Mar 18, 2004
Itsuro Morita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Dispersion compensating optical transmission line and optical trans...
Publication number
20020131711
Publication date
Sep 19, 2002
Keiji Tanaka
G02 - OPTICS
Information
Patent Application
Optical transmitter
Publication number
20020063920
Publication date
May 30, 2002
Itsuro Morita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical pulse position detecting circuit and an optical pulse gener...
Publication number
20010009469
Publication date
Jul 26, 2001
Mitsubishi Denki Kabushiki Kaisha
Katsuhiro Shimizu
G01 - MEASURING TESTING