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Satoshi NARIKAWA
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Musashino-shi, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Upbandwidth allocation device and uplink bandwidth allocation method
Patent number
12,149,287
Issue date
Nov 19, 2024
Nippon Telegraph and Telephone Corporation
Takuya Abe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system
Patent number
12,096,435
Issue date
Sep 17, 2024
Nippon Telegraph and Telephone Corporation
Ryota Shiina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network unit, communication network system and communicatio...
Patent number
12,081,924
Issue date
Sep 3, 2024
Nippon Telegraph and Telephone Corporation
Takuya Abe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication network system, optical network unit, and opt...
Patent number
12,052,056
Issue date
Jul 30, 2024
Nippon Telegraph and Telephone Corporation
Takuya Abe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication method, communication system, authentication apparatu...
Patent number
11,991,519
Issue date
May 21, 2024
Nippon Telegraph and Telephone Corporation
Takahito Kirihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication network system, optical network unit, and opt...
Patent number
11,956,574
Issue date
Apr 9, 2024
Nippon Telegraph and Telephone Corporation
Takuya Abe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication network system
Patent number
11,804,900
Issue date
Oct 31, 2023
Nippon Telegraph and Telephone Corporation
Satoshi Narikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
PHOTOCATALYST SHEET
Publication number
20240375093
Publication date
Nov 14, 2024
Nippon Telegraph and Telephone Corporation
Asuka MIYAKE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND CONTROL METHOD
Publication number
20240335578
Publication date
Oct 10, 2024
Nippon Telegraph and Telephone Corporation
Tomohiro TANIGUCHI
B66 - HOISTING LIFTING HAULING
Information
Patent Application
AIR CONDITIONING EQUIPMENT
Publication number
20240277886
Publication date
Aug 22, 2024
Nippon Telegraph and Telephone Corporation
Asuka MIYAKE
F24 - HEATING RANGES VENTILATING
Information
Patent Application
CHANNEL SWITCHING METHOD, CHANNEL SWITCHING DEVICE, CHANNEL SWITCHI...
Publication number
20240275725
Publication date
Aug 15, 2024
Nippon Telegraph and Telephone Corporation
Toshihito FUJIWARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, COMMUNICATION METHOD, COMMUNICATION DEVICE, A...
Publication number
20240235987
Publication date
Jul 11, 2024
Nippon Telegraph and Telephone Corporation
Tomohiko IKEDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND ULTRAVIOLET LIGHT IRRADIAT...
Publication number
20240216559
Publication date
Jul 4, 2024
Nippon Telegraph and Telephone Corporation
Tomohiro TANIGUCHI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND ULTRAVIOLET LIGHT IRRADIAT...
Publication number
20240181099
Publication date
Jun 6, 2024
Nippon Telegraph and Telephone Corporation
Tomohiro TANIGUCHI
G02 - OPTICS
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND ULTRAVIOLET LIGHT IRRADIAT...
Publication number
20240157003
Publication date
May 16, 2024
Nippon Telegraph and Telephone Corporation
Ayako IWAKI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
COMMUNICATION SYSTEM, COMMUNICATION METHOD, COMMUNICATION DEVICE, A...
Publication number
20240137309
Publication date
Apr 25, 2024
Nippon Telegraph and Telephone Corporation
Tomohiko IKEDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION METHODS, TRANSMITTERS / RECEIVERS, REPEATERS, COMMUNI...
Publication number
20240129033
Publication date
Apr 18, 2024
Nippon Telegraph and Telephone Corporation
Satoshi NARIKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM
Publication number
20240121780
Publication date
Apr 11, 2024
Nippon Telegraph and Telephone Corporation
Ryota SHIINA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION METHODS, TRANSMITTERS / RECEIVERS, REPEATERS, COMMUNI...
Publication number
20240121005
Publication date
Apr 11, 2024
Nippon Telegraph and Telephone Corporation
Satoshi NARIKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEVICE, METHOD AND PROGRAM FOR COMMUNICATION PROCESSING
Publication number
20240073157
Publication date
Feb 29, 2024
Nippon Telegraph and Telephone Corporation
Hiroya ONO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION SYSTEM, COMMUNICATION METHOD, RELAY SERVER AND PROGRAM
Publication number
20230269308
Publication date
Aug 24, 2023
Nippon Telegraph and Telephone Corporation
Tomohiko IKEDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NOISE CANCELING SYSTEM AND NOISE CANCELING METHOD
Publication number
20230178062
Publication date
Jun 8, 2023
Nippon Telegraph and Telephone Corporation
Satoshi NARIKAWA
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
OPTICAL COMMUNICATION NETWORK SYSTEM, OPTICAL NETWORK UNIT, AND OPT...
Publication number
20230132674
Publication date
May 4, 2023
Nippon Telegraph and Telephone Corporation
Takuya ABE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION NETWORK SYSTEM, OPTICAL NETWORK UNIT, AND OPT...
Publication number
20230122395
Publication date
Apr 20, 2023
Nippon Telegraph and Telephone Corporation
Takuya ABE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTIMIZATION ENGINE, OPTIMIZATION METHOD, AND PROGRAM
Publication number
20230036110
Publication date
Feb 2, 2023
Nippon Telegraph and Telephone Corporation
Hiroya ONO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTIMIZATION ENGINE, OPTIMIZATION METHOD, AND PROGRAM
Publication number
20230031163
Publication date
Feb 2, 2023
Nippon Telegraph and Telephone Corporation
Hiroya ONO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
UPBANDWIDTH ALLOCATION DEVICE AND UPLINK BANDWIDTH ALLOCATION METHOD
Publication number
20230025050
Publication date
Jan 26, 2023
Nippon Telegraph and Telephone Corporation
Takuya ABE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL NETWORK UNIT, COMMUNICATION NETWORK SYSTEM AND COMMUNICATIO...
Publication number
20220417625
Publication date
Dec 29, 2022
Nippon Telegraph and Telephone Corporation
Takuya ABE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION NETWORK SYSTEM
Publication number
20220360332
Publication date
Nov 10, 2022
Nippon Telegraph and Telephone Corporation
Satoshi NARIKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTIMIZATION ENGINE, OPTIMIZATION METHOD, AND PROGRAM
Publication number
20220286952
Publication date
Sep 8, 2022
Nippon Telegraph and Telephone Corporation
Hiroya ONO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION METHOD, COMMUNICATION SYSTEM, AUTHENTICATION APPARATU...
Publication number
20210227387
Publication date
Jul 22, 2021
Nippon Telegraph and Telephone Corporation
Takahito KIRIHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE