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Toshihiko SEKI
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
System determination apparatus, system determination method and sys...
Patent number
11,936,540
Issue date
Mar 19, 2024
Nippon Telegraph and Telephone Corporation
Mizuto Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Estimation system, addition apparatus, estimation method, addition...
Patent number
11,882,015
Issue date
Jan 23, 2024
Nippon Telegraph and Telephone Corporation
Mizuto Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Timestamp correction apparatus, time stamp correction method, and p...
Patent number
11,831,532
Issue date
Nov 28, 2023
Nippon Telegraph and Telephone Corporation
Mizuto Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Traffic application amount calculation apparatus, method and program
Patent number
11,765,042
Issue date
Sep 19, 2023
Nippon Telegraph and Telephone Corporation
Mizuto Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Maintenance management system and data processing method
Patent number
11,720,092
Issue date
Aug 8, 2023
Nippon Telegraph and Telephone Corporation
Mizuto Nakamura
G08 - SIGNALLING
Information
Patent Grant
Optical transmission system and failure diagnosis method for optica...
Patent number
11,528,080
Issue date
Dec 13, 2022
Nippon Telegraph and Telephone Corporation
Hiroki Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission system and wavelength resource management method
Patent number
11,296,790
Issue date
Apr 5, 2022
Nippon Telegraph and Telephone Corporation
Toshihiko Seki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system and wavelength allocation method
Patent number
11,201,687
Issue date
Dec 14, 2021
Nippon Telegraph and Telephone Corporation
Toshihiko Seki
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD AND...
Publication number
20240232667
Publication date
Jul 11, 2024
Nippon Telegraph and Telephone Corporation
Ryosuke SATO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD AND...
Publication number
20240135213
Publication date
Apr 25, 2024
Nippon Telegraph and Telephone Corporation
Ryosuke SATO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TRAFFIC APPLICATION AMOUNT CALCULATION APPARATUS, METHOD AND PROGRAM
Publication number
20230113776
Publication date
Apr 13, 2023
Nippon Telegraph and Telephone Corporation
Mizuto NAKAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRAFFIC APPLICATION IF JUDGMENT APPARATUS, METHOD AND PROGRAM
Publication number
20230049636
Publication date
Feb 16, 2023
Nippon Telegraph and Telephone Corporation
Mizuto NAKAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM DETERMINATION APPARATUS, SYSTEM DETERMINATION METHOD AND SYS...
Publication number
20230039322
Publication date
Feb 9, 2023
Nippon Telegraph and Telephone Corporation
Mizuto NAKAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TIMESTAMP CORRECTION APPARATUS, TIME STAMP CORRECTION METHOD, AND P...
Publication number
20230031208
Publication date
Feb 2, 2023
Nippon Telegraph and Telephone Corporation
Mizuto NAKAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ESTIMATION SYSTEM, ADDITION APPARATUS, ESTIMATION METHOD, ADDITION...
Publication number
20220393959
Publication date
Dec 8, 2022
Nippon Telegraph and Telephone Corporation
Mizuto NAKAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TOPOLOGY ESTIMATION SYSTEM, TRAFFIC GENERATION APPARATUS, AND TRAFF...
Publication number
20220385559
Publication date
Dec 1, 2022
Nippon Telegraph and Telephone Corporation
Mizuto NAKAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MONITORING AND MAINTENANCE APPARATUS, MONITORING AND MAINTENANCE ME...
Publication number
20220358441
Publication date
Nov 10, 2022
Nippon Telegraph and Telephone Corporation
Atsushi Takada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TOPOLOGY DEDUCTION SYSTEM, TRAFFIC ADDITION DEVICE, AND TRAFFIC ADD...
Publication number
20220141094
Publication date
May 5, 2022
Nippon Telegraph and Telephone Corporation
Mizuto NAKAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM AND FAILURE DIAGNOSIS METHOD FOR OPTICA...
Publication number
20220021449
Publication date
Jan 20, 2022
Nippon Telegraph and Telephone Corporation
Hiroki Kawahara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmission System and Wavelength Resource Management Method
Publication number
20210328673
Publication date
Oct 21, 2021
Nippon Telegraph and Telephone Corporation
Toshihiko Seki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MAINTENANCE MANAGEMENT SYSTEM AND DATA PROCESSING METHOD
Publication number
20210311467
Publication date
Oct 7, 2021
Nippon Telegraph and Telephone Corporation
Mizuto NAKAMURA
G08 - SIGNALLING
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM AND WAVELENGTH ALLOCATION METHOD
Publication number
20210194617
Publication date
Jun 24, 2021
Nippon Telegraph and Telephone Corporation
Toshihiko SEKI
G06 - COMPUTING CALCULATING COUNTING