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Rintaro Harada
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Musashino-shi, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Spatial optical communication system
Patent number
12,301,284
Issue date
May 13, 2025
Nippon Telegraph and Telephone Corporation
Naotaka Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength multiplexing communication system and wavelength multipl...
Patent number
12,206,456
Issue date
Jan 21, 2025
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and master station
Patent number
12,040,831
Issue date
Jul 16, 2024
Nippon Telegraph and Telephone Corporation
Hirotaka Ujikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system, master station, and optical communica...
Patent number
12,009,844
Issue date
Jun 11, 2024
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and master station
Patent number
11,973,531
Issue date
Apr 30, 2024
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength multiplexing communication system and wavelength multipl...
Patent number
11,888,581
Issue date
Jan 30, 2024
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system, optical communication apparatus and o...
Patent number
11,811,448
Issue date
Nov 7, 2023
Nippon Telegraph and Telephone Corporation
Hirotaka Ujikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Downstream frame transfer device, transfer method, and transfer pro...
Patent number
11,777,607
Issue date
Oct 3, 2023
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and master station
Patent number
11,736,186
Issue date
Aug 22, 2023
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Downstream frame transfer device, transfer method and transfer program
Patent number
11,637,647
Issue date
Apr 25, 2023
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transfer apparatus, transfer method, and transfer program
Patent number
11,496,406
Issue date
Nov 8, 2022
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bandwidth allocation apparatus and bandwidth allocation method
Patent number
11,146,869
Issue date
Oct 12, 2021
Nippon Telegraph and Telephone Corporation
Daisuke Hisano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SWITCH, NETWORK CONTROLLER, COMMUNICATION CONTROL METHOD, AND COMMU...
Publication number
20240283817
Publication date
Aug 22, 2024
Nippon Telegraph and Telephone Corporation
Rintaro HARADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPATIAL OPTICAL COMMUNICATION SYSTEM
Publication number
20230308179
Publication date
Sep 28, 2023
Nippon Telegraph and Telephone Corporation
Naotaka SHIBATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM AND MASTER STATION
Publication number
20230198613
Publication date
Jun 22, 2023
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM, MASTER STATION, AND OPTICAL COMMUNICA...
Publication number
20230170990
Publication date
Jun 1, 2023
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH MULTIPLEXING COMMUNICATION SYSTEM AND WAVELENGTH MULTIPL...
Publication number
20230155712
Publication date
May 18, 2023
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM AND MASTER STATION
Publication number
20230155674
Publication date
May 18, 2023
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM AND MASTER STATION
Publication number
20230142562
Publication date
May 11, 2023
Nippon Telegraph and Telephone Corporation
Hirotaka UJIKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH MULTIPLEXING COMMUNICATION SYSTEM AND WAVELENGTH MULTIPL...
Publication number
20230094895
Publication date
Mar 30, 2023
Nippon Telegraph and Telephone Corporation
Rintaro Harada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM, OPTICAL COMMUNICATION APPARATUS AND O...
Publication number
20230088621
Publication date
Mar 23, 2023
Nippon Telegraph and Telephone Corporation
Hirotaka UJIKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DOWNSTREAM FRAME TRANSFER DEVICE, TRANSFER METHOD AND TRANSFER PROGRAM
Publication number
20220278765
Publication date
Sep 1, 2022
Nippon Telegraph and Telephone Corporation
Rintaro HARADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DOWNSTREAM FRAME TRANSFER DEVICE, TRANSFER METHOD, AND TRANSFER PRO...
Publication number
20220123838
Publication date
Apr 21, 2022
Nippon Telegraph and Telephone Corporation
Rintaro HARADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSFER APPARATUS, TRANSFER METHOD, AND TRANSFER PROGRAM
Publication number
20210112016
Publication date
Apr 15, 2021
Nippon Telegraph and Telephone Corporation
Rintaro HARADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BANDWIDTH ALLOCATION APPARATUS AND BANDWIDTH ALLOCATION METHOD
Publication number
20200404401
Publication date
Dec 24, 2020
Nippon Telegraph and Telephone Corporation
Daisuke Hisano
H04 - ELECTRIC COMMUNICATION TECHNIQUE