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Takuya OHARA
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Yokosuka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Transmission apparatus, transmission system and delay adjustment me...
Patent number
12,170,607
Issue date
Dec 17, 2024
Nippon Telegraph and Telephone Corporation
Kei Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical wireless communication system and optical wireless communic...
Patent number
12,149,285
Issue date
Nov 19, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile communication system, master base station, secondary base st...
Patent number
11,997,557
Issue date
May 28, 2024
Mitsubishi Electric Corporation
Takuya Ohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission apparatus and transmission system
Patent number
11,923,862
Issue date
Mar 5, 2024
Nippon Telegraph and Telephone Corporation
Fumikazu Inuzuka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Transmission apparatus and transmission method
Patent number
11,916,685
Issue date
Feb 27, 2024
Nippon Telegraph and Telephone Corporation
Kei Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processing system, information processing method and pr...
Patent number
11,917,019
Issue date
Feb 27, 2024
Nippon Telegraph and Telephone Corporation
Takuya Ohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system for performing an enhanced handover for a dual...
Patent number
10,743,227
Issue date
Aug 11, 2020
Mitsubishi Electric Corporation
Takuya Ohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transport system and resource optimization method
Patent number
10,250,348
Issue date
Apr 2, 2019
Nippon Telegraph and Telephone Corporation
Yoshiaki Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Framer and framing method
Patent number
10,230,457
Issue date
Mar 12, 2019
Nippon Telegraph and Telephone Corporation
Kei Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Framer and framing method
Patent number
10,181,921
Issue date
Jan 15, 2019
Nippon Telegraph and Telephone Corporation
Masahiro Yokota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Framer, optical transmission device, and framing method
Patent number
10,063,321
Issue date
Aug 28, 2018
Nippon Telegraph and Telephone Corporation
Kei Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical receiving device and phase cycle reduction method
Patent number
9,667,350
Issue date
May 30, 2017
Nippon Telegraph and Telephone Corporation
Kengo Horikoshi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Client signal mapping circuit and mapping method
Patent number
9,438,365
Issue date
Sep 6, 2016
Nippon Telegraph and Telephone Corporation
Masahiro Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Client signal mapping circuit and mapping method
Patent number
9,160,479
Issue date
Oct 13, 2015
Nippon Telegraph and Telephone Corporation
Masahiro Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Client signal accommodating multiplexing apparatus and method
Patent number
8,977,120
Issue date
Mar 10, 2015
Nippon Telegraph and Telephone Corporation
Takuya Ohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital transmission system and digital transmission method
Patent number
8,514,881
Issue date
Aug 20, 2013
Nippon Telegraph and Telephone Corporation
Yoshiaki Kisaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiplexing transmission system and multiplexing transmission method
Patent number
7,970,008
Issue date
Jun 28, 2011
Nippon Telegraph and Telephone Corporation
Yoshiaki Kisaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mode-locked laser and optical multi-carrier source using same
Patent number
7,386,018
Issue date
Jun 10, 2008
Nippon Telegraph and Telephone Corporation
Kunihiko Mori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical clock phase-locked loop circuit
Patent number
7,151,897
Issue date
Dec 19, 2006
Nippon Telegraph and Telephone Corporation
Takuya Ohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical modulation/multiplexing circuit
Patent number
6,842,565
Issue date
Jan 11, 2005
Nippon Telegraph and Telephone Corporation
Takuya Ohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MOBILE COMMUNICATION SYSTEM, BASE STATION, MASTER BASE STATION, SEC...
Publication number
20240267813
Publication date
Aug 8, 2024
Mitsubishi Electric Corporation
Takuya OHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD AND PR...
Publication number
20240155035
Publication date
May 9, 2024
Nippon Telegraph and Telephone Corporation
Takuya OHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL EMITTING DIRECTION CONTROL APPARATUS AND OPTICAL SIG...
Publication number
20240072892
Publication date
Feb 29, 2024
Nippon Telegraph and Telephone Corporation
Kento YOSHIZAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM AND...
Publication number
20240048250
Publication date
Feb 8, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD AND PR...
Publication number
20240028552
Publication date
Jan 25, 2024
Nippon Telegraph and Telephone Corporation
Takuya OHARA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING SYSTEM, DELAY CONTROL DEVICE, INFORMATION PR...
Publication number
20240031045
Publication date
Jan 25, 2024
Nippon Telegraph and Telephone Corporation
Takuya OHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL PATH DESIGN APPARATUS, OPTICAL PATH DESIGN METHOD AND PROGRAM
Publication number
20230412299
Publication date
Dec 21, 2023
Nippon Telegraph and Telephone Corporation
Takafumi Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD AND PR...
Publication number
20230403220
Publication date
Dec 14, 2023
Nippon Telegraph and Telephone Corporation
Takuya ODA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, DISTRIBUTION DEVICE, DATA DISTRIBUTION METHOD...
Publication number
20230344753
Publication date
Oct 26, 2023
Nippon Telegraph and Telephone Corporation
Takuya ODA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD AND PR...
Publication number
20230336629
Publication date
Oct 19, 2023
Nippon Telegraph and Telephone Corporation
Takuya OHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHASE DIFFERENCE DISTRIBUTION ESTIMATION METHOD AND PHASE DIFFERENC...
Publication number
20230291471
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS AND OPTICAL COMMUNICATION SYSTEM
Publication number
20230291479
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL PATH DESIGN APPARATUS, OPTICAL PATH DESIGN METHOD AND PROGRAM
Publication number
20230232307
Publication date
Jul 20, 2023
Nippon Telegraph and Telephone Corporation
Takafumi Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL WIRELESS COMMUNICATION DEVICE AND OPTICAL WIRELESS COMMUNIC...
Publication number
20230224036
Publication date
Jul 13, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL WIRELESS COMMUNICATION SYSTEM AND OPTICAL WIRELESS COMMUNIC...
Publication number
20230208521
Publication date
Jun 29, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE COMMUNICATION SYSTEM, MASTER BASE STATION, SECONDARY BASE ST...
Publication number
20220353770
Publication date
Nov 3, 2022
MITSUBISHI ELECTRIC CORPORATION
Takuya OHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM
Publication number
20220109449
Publication date
Apr 7, 2022
Nippon Telegraph and Telephone Corporation
Fumikazu INUZUKA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION METHOD
Publication number
20220006577
Publication date
Jan 6, 2022
Kei Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION APPARATUS, TRANSMISSION SYSTEM AND DELAY ADJUSTMENT ME...
Publication number
20220006722
Publication date
Jan 6, 2022
Nippon Telegraph and Telephone Corporation
Kei KITAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION TERMINAL AND BASE STATION
Publication number
20200314715
Publication date
Oct 1, 2020
MITSUBISHI ELECTRIC CORPORATION
Takuya OHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COPPER ALLOY, COPPER ALLOY INGOT, SOLID SOLUTION MATERIAL OF COPPER...
Publication number
20190144974
Publication date
May 16, 2019
MITSUBISHI MATERIALS CORPORATION
Yuusuke Enami
B22 - CASTING POWDER METALLURGY
Information
Patent Application
COMMUNICATION SYSTEM
Publication number
20180176839
Publication date
Jun 21, 2018
Mitsubishi Electric Corporation
Takuya OHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FRAMER AND FRAMING METHOD
Publication number
20170366288
Publication date
Dec 21, 2017
Nippon Telegraph and Telephone Corporation
Masahiro YOKOTA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FRAMER AND FRAMING METHOD
Publication number
20170324472
Publication date
Nov 9, 2017
Nippon Telegraph and Telephone Corporation
Kei KITAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSPORT SYSTEM AND RESOURCE OPTIMIZATION METHOD
Publication number
20170324496
Publication date
Nov 9, 2017
Nippon Telegraph and Telephone Corporation
Yoshiaki YAMADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FRAMER, OPTICAL TRANSMISSION DEVICE, AND FRAMING METHOD
Publication number
20170257169
Publication date
Sep 7, 2017
Nippon Telegraph and Telephone Corporation
Kei KITAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
CLIENT SIGNAL MAPPING CIRCUIT AND MAPPING METHOD
Publication number
20160006525
Publication date
Jan 7, 2016
Nippon Telegraph and Telephone Corporation
Masahiro SUZUKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL RECEIVING DEVICE AND PHASE CYCLE REDUCTION METHOD
Publication number
20150333838
Publication date
Nov 19, 2015
Nippon Telegraph and Telephone Corporation
Kengo HORIKOSHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CLIENT SIGNAL MAPPING CIRCUIT AND MAPPING METHOD
Publication number
20130259481
Publication date
Oct 3, 2013
Nippon Telegraph and Telephone Corporation
Masahiro Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE