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Takafumi HAYASHI
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Musashino-shi, Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wireless performance evaluation method and wireless performance eva...
Patent number
12,156,053
Issue date
Nov 26, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, base station, and wireless communica...
Patent number
12,143,918
Issue date
Nov 12, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, control station, base station, and w...
Patent number
12,127,113
Issue date
Oct 22, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, and wireless communication method
Patent number
12,127,060
Issue date
Oct 22, 2024
Nippon Telegraph and Telephone Corporation
Hirantha Abeysekera
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication method, base station, and wireless communica...
Patent number
12,089,290
Issue date
Sep 10, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system and wireless communication method
Patent number
12,082,077
Issue date
Sep 3, 2024
Nippon Telegraph and Telephone Corporation
Yasuhiko Inoue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, and wireless communication method
Patent number
12,075,285
Issue date
Aug 27, 2024
Nippon Telegraph and Telephone Corporation
Shoko Shinohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication characteristic evaluation method and wireles...
Patent number
12,074,655
Issue date
Aug 27, 2024
Nippon Telegraph and Telephone Corporation
Shoko Shinohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Base station operation test method, wireless communication system,...
Patent number
12,074,654
Issue date
Aug 27, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, wireless communication method, and w...
Patent number
12,063,643
Issue date
Aug 13, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, wireless communication method, and t...
Patent number
12,057,898
Issue date
Aug 6, 2024
Nippon Telegraph and Telephone Corporation
Hayato Fukuzono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication performance measurement method for wireless...
Patent number
12,047,796
Issue date
Jul 23, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication characteristic evaluation method
Patent number
12,041,462
Issue date
Jul 16, 2024
Nippon Telegraph and Telephone Corporation
Shoko Shinohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, and wireless communication method
Patent number
12,035,336
Issue date
Jul 9, 2024
Nippon Telegraph and Telephone Corporation
Hirantha Abeysekera
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, control station device and wireless...
Patent number
11,991,546
Issue date
May 21, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, and wireless communication method
Patent number
11,962,408
Issue date
Apr 16, 2024
Nippon Telegraph and Telephone Corporation
Shoko Shinohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, wireless communication method, and w...
Patent number
11,956,662
Issue date
Apr 9, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication performance measurement method and wireless...
Patent number
11,950,115
Issue date
Apr 2, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication characteristic evaluation method and wireles...
Patent number
11,943,645
Issue date
Mar 26, 2024
Nippon Telegraph and Telephone Corporation
Shoko Shinohara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, wireless communication method, and t...
Patent number
11,929,797
Issue date
Mar 12, 2024
Nippon Telegraph and Telephone Corporation
Hayato Fukuzono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication method and base station
Patent number
11,917,454
Issue date
Feb 27, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission parameter control method, control station and radio ba...
Patent number
11,917,455
Issue date
Feb 27, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication method and base station
Patent number
11,903,025
Issue date
Feb 13, 2024
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication method and wireless communication system
Patent number
11,901,980
Issue date
Feb 13, 2024
Nippon Telegraph and Telephone Corporation
Keita Kuriyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adjusting CCA threshold and transmission power to reduce interference
Patent number
11,838,948
Issue date
Dec 5, 2023
Nippon Telegraph and Telephone Corporation
Hirantha Abeysekera
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Antenna placement method and antenna selection method
Patent number
11,838,087
Issue date
Dec 5, 2023
Nippon Telegraph and Telephone Corporation
Tomoki Murakami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless base station installation position calculation method and...
Patent number
11,832,112
Issue date
Nov 28, 2023
Nippon Telegraph and Telephone Corporation
Riku Omiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Base station operation test method, wireless communication system,...
Patent number
11,824,596
Issue date
Nov 21, 2023
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless base station installation position calculation method and...
Patent number
11,825,312
Issue date
Nov 21, 2023
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, wireless communication method, and w...
Patent number
11,818,670
Issue date
Nov 14, 2023
Nippon Telegraph and Telephone Corporation
Toshiro Nakahira
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
BASE STATION, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION...
Publication number
20240031872
Publication date
Jan 25, 2024
Nippon Telegraph and Telephone Corporation
Masafumi YOSHIOKA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONGESTION CONTROL METHOD, CONGESTION CONTROL DEVICE, CONGESTION CO...
Publication number
20230275839
Publication date
Aug 31, 2023
Nippon Telegraph and Telephone Corporation
Fumiaki Nagase
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION SYSTEM
Publication number
20230239013
Publication date
Jul 27, 2023
Nippon Telegraph and Telephone Corporation
Keita KURIYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, BASE STATION DEVICE AND WIRELESS COM...
Publication number
20230239905
Publication date
Jul 27, 2023
Nippon Telegraph and Telephone Corporation
Keita KURIYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, BASE STATION DEVICE AND WIRELESS COM...
Publication number
20230217392
Publication date
Jul 6, 2023
Nippon Telegraph and Telephone Corporation
Keita KURIYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD AND WIRELESS COMMUNICATION SYSTEM
Publication number
20230106272
Publication date
Apr 6, 2023
Nippon Telegraph and Telephone Corporation
Keita KURIYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND T...
Publication number
20230070849
Publication date
Mar 9, 2023
Nippon Telegraph and Telephone Corporation
Hayato FUKUZONO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND T...
Publication number
20230055133
Publication date
Feb 23, 2023
Nippon Telegraph and Telephone Corporation
Hayato FUKUZONO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO COMMUNICATION APPARATUS, AND RADIO COMMUNICATION METHOD
Publication number
20220369120
Publication date
Nov 17, 2022
Nippon Telegraph and Telephone Corporation
Riku OMIYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO COMMUNICATION APPARATUS, AND RADIO COMMUNICATION METHOD
Publication number
20220360318
Publication date
Nov 10, 2022
Nippon Telegraph and Telephone Corporation
Riku OMIYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD
Publication number
20220338256
Publication date
Oct 20, 2022
Nippon Telegraph and Telephone Corporation
Hirantha Abeysekera
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION METHOD
Publication number
20220330116
Publication date
Oct 13, 2022
Nippon Telegraph and Telephone Corporation
Hirantha Abeysekera
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, CONTROL STATION, BASE STATION, AND W...
Publication number
20220286955
Publication date
Sep 8, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, BASE STATION, AND WIRELESS COMMUNICA...
Publication number
20220279426
Publication date
Sep 1, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND W...
Publication number
20220248252
Publication date
Aug 4, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION OPERATION TEST METHOD, WIRELESS COMMUNICATION SYSTEM,...
Publication number
20220239391
Publication date
Jul 28, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION PERFORMANCE MEASUREMENT METHOD AND WIRELESS...
Publication number
20220240114
Publication date
Jul 28, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND W...
Publication number
20220232485
Publication date
Jul 21, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD AND BASE STATION
Publication number
20220232425
Publication date
Jul 21, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, AND W...
Publication number
20220232587
Publication date
Jul 21, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION CHARACTERISTIC EVALUATION METHOD AND WIRELES...
Publication number
20220225137
Publication date
Jul 14, 2022
Nippon Telegraph and Telephone Corporation
Shoko SHINOHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD
Publication number
20220217504
Publication date
Jul 7, 2022
Nippon Telegraph and Telephone Corporation
Yasuhiko INOUE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STATION SETTING SUPPORT METHOD AND STATION SETTING SUPPORT SYSTEM
Publication number
20220217545
Publication date
Jul 7, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION CHARACTERISTIC EVALUATION METHOD AND WIRELES...
Publication number
20220216930
Publication date
Jul 7, 2022
Nippon Telegraph and Telephone Corporation
Shoko SHINOHARA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD, BASE STATION, AND WIRELESS COMMUNICA...
Publication number
20220210634
Publication date
Jun 30, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, CONTROL STATION DEVICE AND WIRELESS...
Publication number
20220201521
Publication date
Jun 23, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD, BASE STATION, AND WIRELESS COMMUNICA...
Publication number
20220201602
Publication date
Jun 23, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION OPERATION TEST METHOD, WIRELESS COMMUNICATION SYSTEM,...
Publication number
20220200710
Publication date
Jun 23, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION PERFORMANCE MEASUREMENT METHOD FOR WIRELESS...
Publication number
20220191723
Publication date
Jun 16, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION METHOD AND BASE STATION
Publication number
20220191076
Publication date
Jun 16, 2022
Nippon Telegraph and Telephone Corporation
Toshiro NAKAHIRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE