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Patents Grants
last 30 patents
Information
Patent Grant
Wireless terminal station device, management station device, wirele...
Patent number
12,167,322
Issue date
Dec 10, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Monitoring system, monitoring method, and monitoring program
Patent number
12,136,323
Issue date
Nov 5, 2024
Nippon Telegraph and Telephone Corporation
Ryota Shiina
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical measuring device
Patent number
12,078,589
Issue date
Sep 3, 2024
Nippon Telegraph and Telephone Corporation
Tomohiro Taniguchi
G01 - MEASURING TESTING
Information
Patent Grant
Terminal devices, communication methods, and communication systems
Patent number
12,074,640
Issue date
Aug 27, 2024
Nippon Telegraph and Telephone Corporation
Ryota Shiina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diagnostic device and diagnostic method
Patent number
12,068,776
Issue date
Aug 20, 2024
Nippon Telegraph and Telephone Corporation
Yasutaka Kimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, base station control device, evacuat...
Patent number
12,063,066
Issue date
Aug 13, 2024
Nippon Telegraph and Telephone Corporation
Ryota Shiina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, base station control device, evacuat...
Patent number
12,063,067
Issue date
Aug 13, 2024
Nippon Telegraph and Telephone Corporation
Ryota Shiina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal devices, communication methods, and communication systems
Patent number
12,063,065
Issue date
Aug 13, 2024
Nippon Telegraph and Telephone Corporation
Ryota Shiina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication systems, terminals, communication methods, and programs
Patent number
12,022,283
Issue date
Jun 25, 2024
Nippon Telegraph and Telephone Corporation
Kazutaka Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control station device and wireless terminal station device
Patent number
12,015,977
Issue date
Jun 18, 2024
Nippon Telegraph and Telephone Corporation
Tomoki Murakami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and control method
Patent number
11,996,895
Issue date
May 28, 2024
Nippon Telegraph and Telephone Corporation
Kazutaka Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and optical communication method
Patent number
11,956,009
Issue date
Apr 9, 2024
Nippon Telegraph and Telephone Corporation
Atsuko Kawakita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal devices, communication methods, and communication systems
Patent number
11,929,781
Issue date
Mar 12, 2024
Nippon Telegraph and Telephone Corporation
Ryota Shiina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication systems, base stations, and communication methods
Patent number
11,901,959
Issue date
Feb 13, 2024
Nippon Telegraph and Telephone Corporation
Tomohiro Taniguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and dispersion compensation method
Patent number
11,881,893
Issue date
Jan 23, 2024
Nippon Telegraph and Telephone Corporation
Kazutaka Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and optical communication method
Patent number
11,863,211
Issue date
Jan 2, 2024
Nippon Telegraph and Telephone Corporation
Ryo Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, wireless communication method and wi...
Patent number
11,728,904
Issue date
Aug 15, 2023
Nippon Telegraph and Telephone Corporation
Kazutaka Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and optical communication method
Patent number
11,711,150
Issue date
Jul 25, 2023
Nippon Telegraph and Telephone Corporation
Atsuko Kawakita
G02 - OPTICS
Information
Patent Grant
Wireless communication system, wireless communication method and te...
Patent number
11,700,560
Issue date
Jul 11, 2023
Nippon Telegraph and Telephone Corporation
Ryota Shiina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communications system, branching ratio determination method...
Patent number
11,689,311
Issue date
Jun 27, 2023
Nippon Telegraph and Telephone Corporation
Atsuko Kawakita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical-RF hybrid wireless communication system and control method
Patent number
11,411,646
Issue date
Aug 9, 2022
Nippon Telegraph and Telephone Corporation
Ryota Shiina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system and optical communication method
Patent number
11,290,189
Issue date
Mar 29, 2022
Nippon Telegraph and Telephone Corporation
Atsuko Kawakita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical/RF wireless hybrid communication system and a control method
Patent number
11,212,004
Issue date
Dec 28, 2021
Nippon Telegraph and Telephone Corporation
Ryota Shiina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical modulation/demodulation method, optical communication syste...
Patent number
11,082,133
Issue date
Aug 3, 2021
Nippon Telegraph and Telephone Corporation
Kazutaka Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical waveguide, and SPR sensor cell and colorimetric sensor cell...
Patent number
10,126,239
Issue date
Nov 13, 2018
Nitto Denko Corporation
Shigenori Morita
G01 - MEASURING TESTING
Information
Patent Grant
Anti-fouling adhesive sheet, and anti-fouling treatment method for...
Patent number
10,066,129
Issue date
Sep 4, 2018
Nitto Denko Corporation
Kazutaka Hara
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Power module
Patent number
8,749,978
Issue date
Jun 10, 2014
Nitto Denko Corporation
Seiji Izutani
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Light-emitting diode device
Patent number
8,592,844
Issue date
Nov 26, 2013
Nitto Denko Corporation
Seiji Izutani
F21 - LIGHTING
Information
Patent Grant
Imaging device module
Patent number
8,547,465
Issue date
Oct 1, 2013
Nitto Denko Corporation
Seiji Izutani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source and liquid crystal display
Patent number
8,373,829
Issue date
Feb 12, 2013
Nitto Denko Corporation
Kazutaka Hara
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM, CONTROL APPARATUS AND OPTICAL COMMUNI...
Publication number
20250008248
Publication date
Jan 2, 2025
Nippon Telegraph and Telephone Corporation
Yasunari TANAKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM, MANAGEMENT CONTROL APPARATUS AND CONT...
Publication number
20240388821
Publication date
Nov 21, 2024
Nippon Telegraph and Telephone Corporation
Shin KANEKO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL ACCESS SYSTEM AND CONTROL SIGNAL SUPERIMPOSITION METHOD
Publication number
20240381012
Publication date
Nov 14, 2024
Nippon Telegraph and Telephone Corporation
Kazutaka HARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION DEVICE AND CONTROL METHOD
Publication number
20240372625
Publication date
Nov 7, 2024
Nippon Telegraph and Telephone Corporation
Takuya KANAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RELAY APPARATUS, OPTICAL ACCESS SYSTEM AND RELAY METHOD
Publication number
20240284081
Publication date
Aug 22, 2024
Nippon Telegraph and Telephone Corporation
Yumiko SENOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION METHOD AND COMMUNICATION SYSTEM
Publication number
20240276128
Publication date
Aug 15, 2024
Nippon Telegraph and Telephone Corporation
Yumiko SENOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ULTRAVIOLET LIGHT TRANSMISSION SYSTEM
Publication number
20240250757
Publication date
Jul 25, 2024
Nippon Telegraph and Telephone Corporation
Chisato Fukai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DECISION DEVICE, DECISION METHOD, MOBILE TERMINAL, CONTROL METHOD,...
Publication number
20240230832
Publication date
Jul 11, 2024
Nippon Telegraph and Telephone Corporation
Naotaka SHIBATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LOCATION NOTIFICATION SYSTEM, MOBILE, AND LOCATION NOTIFICATION METHOD
Publication number
20240200950
Publication date
Jun 20, 2024
Nippon Telegraph and Telephone Corporation
Kazutaka HARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MOBILE TERMINAL AND CONTROL METHOD
Publication number
20240201316
Publication date
Jun 20, 2024
Nippon Telegraph and Telephone Corporation
Takeshi IMAI
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM, OPTICAL TRANSMITTING AND RECEIVING AP...
Publication number
20240187099
Publication date
Jun 6, 2024
Nippon Telegraph and Telephone Corporation
Shin KANEKO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL ACCESS SYSTEM AND MONITORING METHOD
Publication number
20240187092
Publication date
Jun 6, 2024
Nippon Telegraph and Telephone Corporation
Yumiko SENOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM, CONTROL APPARATUS AND QUALITY COMPENS...
Publication number
20240056709
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Yumiko SENOO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION DEVICE, OPTICAL ACCESS SYSTEM AND OPTICAL COM...
Publication number
20240031020
Publication date
Jan 25, 2024
Nippon Telegraph and Telephone Corporation
Kazuaki HONDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STATION SIDE OPTICAL LINE TERMINAL AND REGISTRATION METHOD
Publication number
20230403082
Publication date
Dec 14, 2023
Nippon Telegraph and Telephone Corporation
Ryo KOMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT IRRADIATION SYSTEM
Publication number
20230310674
Publication date
Oct 5, 2023
Nippon Telegraph and Telephone Corporation
Tomohiro TANIGUCHI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND DECONTAMINATION METHOD
Publication number
20230293741
Publication date
Sep 21, 2023
Nippon Telegraph and Telephone Corporation
Takashi MATSUI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ULTRAVIOLET LIGHT IRRADIATION SYSTEM AND DECONTAMINATION METHOD
Publication number
20230270898
Publication date
Aug 31, 2023
Nippon Telegraph and Telephone Corporation
Takashi MATSUI
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
MONITORING SYSTEM, MONITORING METHOD, AND MONITORING PROGRAM
Publication number
20230215254
Publication date
Jul 6, 2023
Nippon Telegraph and Telephone Corporation
Ryota SHIINA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
POSITION MEASURING SYSTEM, POSITION MEASURING DEVICE, AND POSITION...
Publication number
20230161039
Publication date
May 25, 2023
Nippon Telegraph and Telephone Corporation
Atsuko KAWAKITA
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM AND OPTICAL COMMUNICATION METHOD
Publication number
20230163852
Publication date
May 25, 2023
Nippon Telegraph and Telephone Corporation
Ryo IGARASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIAGNOSTIC DEVICE AND DIAGNOSTIC METHOD
Publication number
20230147193
Publication date
May 11, 2023
Nippon Telegraph and Telephone Corporation
Yasutaka KIMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, BASE STATION CONTROL DEVICE, EVACUAT...
Publication number
20230136032
Publication date
May 4, 2023
Nippon Telegraph and Telephone Corporation
Ryota SHIINA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, BASE STATION CONTROL DEVICE, EVACUAT...
Publication number
20230130486
Publication date
Apr 27, 2023
Nippon Telegraph and Telephone Corporation
Ryota SHIINA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM AND CONTROL METHOD
Publication number
20230082934
Publication date
Mar 16, 2023
Nippon Telegraph and Telephone Corporation
Kazutaka HARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM AND DISPERSION COMPENSATION METHOD
Publication number
20230074152
Publication date
Mar 9, 2023
Nippon Telegraph and Telephone Corporation
Kazutaka HARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM AND OPTICAL COMMUNICATION METHOD
Publication number
20230055033
Publication date
Feb 23, 2023
Nippon Telegraph and Telephone Corporation
Atsuko KAWAKITA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TERMINAL DEVICES, COMMUNICATION METHODS, AND COMMUNICATION SYSTEMS
Publication number
20230033853
Publication date
Feb 2, 2023
Nippon Telegraph and Telephone Corporation
Ryota SHIINA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TERMINAL DEVICES, COMMUNICATION METHODS, AND COMMUNICATION SYSTEMS
Publication number
20230022598
Publication date
Jan 26, 2023
Nippon Telegraph and Telephone Corporation
Ryota SHIINA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TERMINAL DEVICES, COMMUNICATION METHODS, AND COMMUNICATION SYSTEMS
Publication number
20230025646
Publication date
Jan 26, 2023
Nippon Telegraph and Telephone Corporation
Ryota SHIINA
H04 - ELECTRIC COMMUNICATION TECHNIQUE