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Mitsuhiro TESHIMA
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Yokosuka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-lane transmission device and multi-lane transmission method
Patent number
10,200,116
Issue date
Feb 5, 2019
Nippon Telegraph and Telephone Corporation
Kei Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Encoding/decoding system for parallel data
Patent number
10,193,566
Issue date
Jan 29, 2019
Nippon Telegraph and Telephone Corporation
Yoshiaki Yamada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Transport apparatus and transport method
Patent number
10,122,462
Issue date
Nov 6, 2018
Nippon Telegraph and Telephone Corporation
Takuya Ohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-lane transmission device and multi-lane transmission method
Patent number
9,973,270
Issue date
May 15, 2018
Nippon Telegraph and Telephone Corporation
Kei Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal block sequence processing method and signal block sequence p...
Patent number
9,054,894
Issue date
Jun 9, 2015
Nippon Telegraph and Telephone Corporation
Shoukei Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical wavelength division multiplexing access system
Patent number
7,555,215
Issue date
Jun 30, 2009
Nippon Telegraph and Telephone Corporation
Hirotaka Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ring network using multi-wavelength generator
Patent number
7,206,510
Issue date
Apr 17, 2007
Nippon Telegraph and Telephone Corporation
Hiroo Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system, optical communication unit, and optic...
Patent number
7,155,127
Issue date
Dec 26, 2006
Nippon Telegraph and Telephone Corporation
Koji Akimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-wavelength optical modulation circuit and wavelength-division...
Patent number
7,127,168
Issue date
Oct 24, 2006
Nippon Telegraph and Telephone Corporation
Jun-ichi Kani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization scrambler and optical network using the same
Patent number
7,106,970
Issue date
Sep 12, 2006
Nippon Telegraph and Telephone Corporation
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low-cost optical burst transmission system, apparatus, and method
Patent number
7,076,166
Issue date
Jul 11, 2006
Matsushita Electric Industrial Co., Ltd.
Masaru Fuse
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-wavelength generating method and apparatus based on flattenin...
Patent number
7,068,412
Issue date
Jun 27, 2006
Nippon Telegraph & Telephone Corp.
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization scrambler and optical network using the same
Patent number
7,031,614
Issue date
Apr 18, 2006
Nippon Telegraph and Telephone Corporation
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization scrambler and optical network using the same
Patent number
6,959,152
Issue date
Oct 25, 2005
Nippon Telegraph and Telephone Corporation
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-wavelength generating method and apparatus based on flattenin...
Patent number
6,924,924
Issue date
Aug 2, 2005
Nippon Telegraph and Telephone Corporation
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-wavelength generating method and apparatus based on flattenin...
Patent number
6,831,774
Issue date
Dec 14, 2004
Nippon Telegraph and Telephone Corporation
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multilevel light-intensity modulating circuit
Patent number
6,744,546
Issue date
Jun 1, 2004
Nippon Telegraph and Telephone Corporation
Takuya Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiwavelength simultaneous monitoring circuit employing arrayed-w...
Patent number
5,617,234
Issue date
Apr 1, 1997
Nippon Telegraph & Telephone Corporation
Masafumi Koga
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
TRANSPORT APPARATUS AND TRANSPORT METHOD
Publication number
20170111116
Publication date
Apr 20, 2017
Nippon Telegraph and Telephone Corporation
Takuya OHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTI-LANE TRANSMISSION DEVICE AND MULTI-LANE TRANSMISSION METHOD
Publication number
20160261339
Publication date
Sep 8, 2016
Nippon Telegraph and Telephone Corporation
Kei KITAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTI-LANE TRANSMISSION DEVICE AND MULTI-LANE TRANSMISSION METHOD
Publication number
20160056886
Publication date
Feb 25, 2016
Nippon Telegraph and Telephone Corporation
Kei Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ENCODING/DECODING SYSTEM FOR PARALLEL DATA
Publication number
20150229329
Publication date
Aug 13, 2015
Nippon Telegraph and Telephone Corporation
Yoshiaki Yamada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Signal Block Sequence Processing Method And Signal Block Sequence P...
Publication number
20110013690
Publication date
Jan 20, 2011
Nippon Telegraph and Telephone Corporation
Shoukei Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical wavelength multiplex access system
Publication number
20060062576
Publication date
Mar 23, 2006
Hirotaka Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Polarization scrambler and optical network using the same
Publication number
20050220457
Publication date
Oct 6, 2005
Nippon Telegraph and Telephone Corporation
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Polarization scrambler and optical network using the same
Publication number
20050213991
Publication date
Sep 29, 2005
Nippon Telegraph
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-wavelength generating method and apparatus based on flattenin...
Publication number
20050008373
Publication date
Jan 13, 2005
Nippon Telegraph and Telephone Corp.
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-wavelength generating method and apparatus based on flattenin...
Publication number
20040100682
Publication date
May 27, 2004
Nippon Telegraph and Telephone Corp.
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Polarization scrambler and optical network using the same
Publication number
20030161638
Publication date
Aug 28, 2003
Nippon Telegraph and Telephone Corporation
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multilevel light-intensity modulating circuit
Publication number
20030123122
Publication date
Jul 3, 2003
Takuya Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Ring network using multi-wavelength generator
Publication number
20030067649
Publication date
Apr 10, 2003
Nippon Telegraph and Telephone Corporation
Hiroo Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical communication system, optical communication unit, and optic...
Publication number
20030039010
Publication date
Feb 27, 2003
Nippon Telegraph and Telephone Corporation
Koji Akimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Low-cost optical burst transmission system, apparatus, and method
Publication number
20030030877
Publication date
Feb 13, 2003
Masaru Fuse
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-wavelength optical modulation circuit and wavelength-division...
Publication number
20020191904
Publication date
Dec 19, 2002
Nippon Telegraph and Telephone Corporation
Jun-Ichi Kani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-wavelength generating method and apparatus based on flattenin...
Publication number
20020015212
Publication date
Feb 7, 2002
Masamichi Fujiwara
G02 - OPTICS