Hitoshi Takeshita

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical network management apparatus and method of allocating optic...
- Patent number 12,289,568
- Issue date Apr 29, 2025
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network system, optical node device, and optical network co...
- Patent number 12,170,539
- Issue date Dec 17, 2024
- NEC Corporation
- Tomoyuki Hino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-layer network system and path setting method in multi-layer n...
- Patent number 12,095,507
- Issue date Sep 17, 2024
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier and optical amplification method
- Patent number 12,027,813
- Issue date Jul 2, 2024
- NEC Corporation
- Hitoshi Takeshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical amplification device, optical transmission system, and opti...
- Patent number 11,881,675
- Issue date Jan 23, 2024
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network management apparatus and method of allocating optic...
- Patent number 11,736,839
- Issue date Aug 22, 2023
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network system, optical node device, and optical network co...
- Patent number 11,652,546
- Issue date May 16, 2023
- NEC Corporation
- Tomoyuki Hino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical path setting device, optical communication system, and opti...
- Patent number 11,212,027
- Issue date Dec 28, 2021
- NEC Corporation
- Shinsuke Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network system, optical node device, and optical network co...
- Patent number 11,201,668
- Issue date Dec 14, 2021
- NEC Corporation
- Tomoyuki Hino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network control devices and optical path setting method
- Patent number 11,115,318
- Issue date Sep 7, 2021
- NEC Corporation
- Shinsuke Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Submarine optical communication control device, control method, and...
- Patent number 11,115,117
- Issue date Sep 7, 2021
- NEC Corporation
- Shinsuke Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network management apparatus and method of allocating optic...
- Patent number 11,109,123
- Issue date Aug 31, 2021
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical path controller and method of controlling optical path
- Patent number 10,938,499
- Issue date Mar 2, 2021
- NEC Corporation
- Shinsuke Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-layer network system and path setting method in multi-layer n...
- Patent number 10,848,245
- Issue date Nov 24, 2020
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical path design apparatus and optical path design method
- Patent number 10,848,262
- Issue date Nov 24, 2020
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network management apparatus and method of allocating optic...
- Patent number 10,750,259
- Issue date Aug 18, 2020
- NEC CORPORATION
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network system, optical node device, and optical network co...
- Patent number 10,715,249
- Issue date Jul 14, 2020
- NEC Corporation
- Tomoyuki Hino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network controller and method of setting optical path
- Patent number 10,542,335
- Issue date Jan 21, 2020
- NEC Corporation
- Shinsuke Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical node device, optical network controller, and optical networ...
- Patent number 10,447,419
- Issue date Oct 15, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical node device, optical network controller, and optical networ...
- Patent number 10,382,135
- Issue date Aug 13, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network management apparatus and method of allocating optic...
- Patent number 10,375,460
- Issue date Aug 6, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter, optical communication device, optical communic...
- Patent number 10,230,487
- Issue date Mar 12, 2019
- NEC Corporation
- Tomoyuki Hino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network controller and optical network control method
- Patent number 10,231,035
- Issue date Mar 12, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network system, optical node device, and optical path setti...
- Patent number 10,211,923
- Issue date Feb 19, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network controller and optical network control method
- Patent number 10,193,651
- Issue date Jan 29, 2019
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system, optical node device, and optical path...
- Patent number 9,979,468
- Issue date May 22, 2018
- NEC Corporation
- Shinsuke Fujisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch, optical transmission device, and optical switching...
- Patent number 9,609,401
- Issue date Mar 28, 2017
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-failure resolution optical node, optical communication system...
- Patent number 9,590,725
- Issue date Mar 7, 2017
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DPSK modulation-demodulation method, and optical communication devi...
- Patent number 8,639,114
- Issue date Jan 28, 2014
- NEC Corporation
- Satomi Shioiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal quality monitoring
- Patent number 8,405,511
- Issue date Mar 26, 2013
- NEC Corporation
- Hitoshi Takeshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...
- Publication number 20240405875
- Publication date Dec 5, 2024
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DIRECTION DETERMINATION APPARATUS, TRANSMISSION DIRECT...
- Publication number 20240275483
- Publication date Aug 15, 2024
- NEC Corporation
- Yusuke SHIMOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFIER AND OPTICAL AMPLIFICATION METHOD
- Publication number 20240146015
- Publication date May 2, 2024
- NEC CORPORATION
- Hitoshi Takeshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT AMPLIFICATION DEVICE AND LIGHT AMPLIFICATION METHOD
- Publication number 20240120703
- Publication date Apr 11, 2024
- NEC Corporation
- Hitoshi Takeshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL AMPLIFICATION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTI...
- Publication number 20240097397
- Publication date Mar 21, 2024
- NEC Corporation
- Hitoshi TAKESHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL AMPLIFIER, OPTICAL AMPLIFIER CONTROLLING METHOD, AND OPTICA...
- Publication number 20230412297
- Publication date Dec 21, 2023
- NEC Corporation
- Keiichi MATSUMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...
- Publication number 20230353913
- Publication date Nov 2, 2023
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, AND OPTICAL TRANSMISSION METHOD
- Publication number 20230327767
- Publication date Oct 12, 2023
- NEC Corporation
- Hitoshi Takeshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
- Publication number 20230254036
- Publication date Aug 10, 2023
- NEC Corporation
- Tomoyuki HINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFICATION DEVICE AND OPTICAL AMPLIFICATION METHOD
- Publication number 20230163552
- Publication date May 25, 2023
- NEC Corporation
- Hitoshi TAKESHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT AMPLIFICATION DEVICE, LIGHT TRANSMISSION SYSTEM, AND LIGHT AM...
- Publication number 20220385026
- Publication date Dec 1, 2022
- NEC Corporation
- Hitoshi TAKESHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL AMPLIFICATION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTI...
- Publication number 20220166179
- Publication date May 26, 2022
- NEC Corporation
- Hitoshi TAKESHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
- Publication number 20220060257
- Publication date Feb 24, 2022
- NEC Corporation
- Tomoyuki HINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFICATION APPARATUS AND OPTICAL AMPLIFICATION METHOD
- Publication number 20210399514
- Publication date Dec 23, 2021
- NEC Corporation
- Hitoshi TAKESHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...
- Publication number 20210352386
- Publication date Nov 11, 2021
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFIER AND OPTICAL AMPLIFICATION METHOD
- Publication number 20210057869
- Publication date Feb 25, 2021
- NEC Corporation
- Hitoshi TAKESHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...
- Publication number 20210058157
- Publication date Feb 25, 2021
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SUBMARINE OPTICAL COMMUNICATION CONTROL DEVICE, CONTROL METHOD, AND...
- Publication number 20210013965
- Publication date Jan 14, 2021
- NEC Corporation
- Shinsuke FUJISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PATH SETTING DEVICE, OPTICAL COMMUNICATION SYSTEM, AND OPTI...
- Publication number 20200374607
- Publication date Nov 26, 2020
- NEC Corporation
- Shinsuke FUJISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...
- Publication number 20200344533
- Publication date Oct 29, 2020
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
- Publication number 20200313765
- Publication date Oct 1, 2020
- NEC Corporation
- Tomoyuki HINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PATH CONTROLLER AND METHOD OF CONTROLLING OPTICAL PATH
- Publication number 20200136743
- Publication date Apr 30, 2020
- NEC Corporation
- Shinsuke FUJISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION DEVICE AND OPTICAL COMMUNICATION SYSTEM
- Publication number 20200045388
- Publication date Feb 6, 2020
- NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
- Kiyo ISHII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...
- Publication number 20190306597
- Publication date Oct 3, 2019
- NEC CORPORATION
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL PATH DESIGN APPARATUS AND OPTICAL PATH DESIGN METHOD
- Publication number 20190260474
- Publication date Aug 22, 2019
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK CONTROL DEVICE AND OPTICAL PATH SETTING METHOD
- Publication number 20190238451
- Publication date Aug 1, 2019
- NEC Corporation
- Shinsuke FUJISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK CONTROLLER AND METHOD OF SETTING OPTICAL PATH
- Publication number 20190037288
- Publication date Jan 31, 2019
- NEC Corporation
- Shinsuke FUJISAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...
- Publication number 20190037289
- Publication date Jan 31, 2019
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...
- Publication number 20180083698
- Publication date Mar 22, 2018
- NEC Corporation
- Tomoyuki HINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...
- Publication number 20170353244
- Publication date Dec 7, 2017
- NEC Corporation
- Hitoshi TAKESHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hitoshi Takeshita

Person

Patents Grantslast 30 patents

Optical network management apparatus and method of allocating optic...

Optical network system, optical node device, and optical network co...

Multi-layer network system and path setting method in multi-layer n...

Optical amplifier and optical amplification method

Optical amplification device, optical transmission system, and opti...

Optical network management apparatus and method of allocating optic...

Optical network system, optical node device, and optical network co...

Optical path setting device, optical communication system, and opti...

Optical network system, optical node device, and optical network co...

Optical network control devices and optical path setting method

Submarine optical communication control device, control method, and...

Optical network management apparatus and method of allocating optic...

Optical path controller and method of controlling optical path

Multi-layer network system and path setting method in multi-layer n...

Optical path design apparatus and optical path design method

Optical network management apparatus and method of allocating optic...

Optical network system, optical node device, and optical network co...

Optical network controller and method of setting optical path

Optical node device, optical network controller, and optical networ...

Optical node device, optical network controller, and optical networ...

Optical network management apparatus and method of allocating optic...

Optical transmitter, optical communication device, optical communic...

Optical network controller and optical network control method

Optical network system, optical node device, and optical path setti...

Optical network controller and optical network control method

Optical communication system, optical node device, and optical path...

Optical switch, optical transmission device, and optical switching...

Multi-failure resolution optical node, optical communication system...

DPSK modulation-demodulation method, and optical communication devi...

Optical signal quality monitoring

Patents Applicationslast 30 patents

MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...

TRANSMISSION DIRECTION DETERMINATION APPARATUS, TRANSMISSION DIRECT...

OPTICAL AMPLIFIER AND OPTICAL AMPLIFICATION METHOD

LIGHT AMPLIFICATION DEVICE AND LIGHT AMPLIFICATION METHOD

OPTICAL AMPLIFICATION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTI...

OPTICAL AMPLIFIER, OPTICAL AMPLIFIER CONTROLLING METHOD, AND OPTICA...

OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...

OPTICAL TRANSMISSION SYSTEM, AND OPTICAL TRANSMISSION METHOD

OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...

OPTICAL AMPLIFICATION DEVICE AND OPTICAL AMPLIFICATION METHOD

LIGHT AMPLIFICATION DEVICE, LIGHT TRANSMISSION SYSTEM, AND LIGHT AM...

OPTICAL AMPLIFICATION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTI...

OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...

OPTICAL AMPLIFICATION APPARATUS AND OPTICAL AMPLIFICATION METHOD

OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...

OPTICAL AMPLIFIER AND OPTICAL AMPLIFICATION METHOD

MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...

SUBMARINE OPTICAL COMMUNICATION CONTROL DEVICE, CONTROL METHOD, AND...

OPTICAL PATH SETTING DEVICE, OPTICAL COMMUNICATION SYSTEM, AND OPTI...

OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...

OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...

OPTICAL PATH CONTROLLER AND METHOD OF CONTROLLING OPTICAL PATH

OPTICAL COMMUNICATION DEVICE AND OPTICAL COMMUNICATION SYSTEM

OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...

OPTICAL PATH DESIGN APPARATUS AND OPTICAL PATH DESIGN METHOD

OPTICAL NETWORK CONTROL DEVICE AND OPTICAL PATH SETTING METHOD

OPTICAL NETWORK CONTROLLER AND METHOD OF SETTING OPTICAL PATH

OPTICAL NETWORK MANAGEMENT APPARATUS AND METHOD OF ALLOCATING OPTIC...

OPTICAL NETWORK SYSTEM, OPTICAL NODE DEVICE, AND OPTICAL NETWORK CO...

MULTI-LAYER NETWORK SYSTEM AND PATH SETTING METHOD IN MULTI-LAYER N...