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Kazumitsu Sakamoto
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Phase difference distribution estimation method and phase differenc...
Patent number
12,206,450
Issue date
Jan 21, 2025
Nippon Telegraph and Telephone Corporation
Yohei Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus and optical communication system
Patent number
12,206,458
Issue date
Jan 21, 2025
Nippon Telegraph and Telephone Corporation
Yohei Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Station placement designing assistance apparatus, station placement...
Patent number
12,192,783
Issue date
Jan 7, 2025
Nippon Telegraph and Telephone Corporation
Kazumitsu Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical wireless communication system and optical wireless communic...
Patent number
12,149,285
Issue date
Nov 19, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Station placement designing apparatus, station placement designing...
Patent number
12,143,924
Issue date
Nov 12, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication control apparatus, communication control method and p...
Patent number
12,127,231
Issue date
Oct 22, 2024
Nippon Telegraph and Telephone Corporation
Yohei Katayama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Station placement designing assistance apparatus, station placement...
Patent number
12,063,520
Issue date
Aug 13, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Arrival rate estimation apparatus, arrival rate estimation method a...
Patent number
11,991,545
Issue date
May 21, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless terminal accommodation determination apparatus, wireless t...
Patent number
11,785,475
Issue date
Oct 10, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Monitoring system
Patent number
11,477,099
Issue date
Oct 18, 2022
Nippon Telegraph and Telephone Corporation
Yohei Katayama
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
DOPPLER SHIFT COMPENSATION APPARATUS AND DOPPLER SHIFT COMPENSATION...
Publication number
20240214033
Publication date
Jun 27, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, RELAY APPARATUS, WIRELESS COMMUNICAT...
Publication number
20240106524
Publication date
Mar 28, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL EMITTING DIRECTION CONTROL APPARATUS AND OPTICAL SIG...
Publication number
20240072892
Publication date
Feb 29, 2024
Nippon Telegraph and Telephone Corporation
Kento YOSHIZAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM, WI...
Publication number
20240063895
Publication date
Feb 22, 2024
Nippon Telegraph and Telephone Corporation
Kiyohiko ITOKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION APPARATUS, WI...
Publication number
20240056169
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Kiyohiko ITOKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, RELAY APPARATUS AND WIRELESS COMMUNI...
Publication number
20240056168
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Daisuke GOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RELAY APPARATUS AND RELAY METHOD
Publication number
20240056172
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Yasuyoshi KOJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, RELAY APPARATUS, WIRELESS COMMUNICAT...
Publication number
20240056173
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION APPARATUS AND CONTROL METHOD
Publication number
20240055757
Publication date
Feb 15, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM AND...
Publication number
20240048250
Publication date
Feb 8, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, RECEIVING APPARATUS, CONTROL APPARAT...
Publication number
20240048226
Publication date
Feb 8, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSCEIVER, WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATI...
Publication number
20240048206
Publication date
Feb 8, 2024
Nippon Telegraph and Telephone Corporation
Daisuke GOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, RELAY APPARATUS, WIRELESS COMMUNICAT...
Publication number
20240048224
Publication date
Feb 8, 2024
Nippon Telegraph and Telephone Corporation
Daisuke GOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL PROCESSING APPARATUS, WIRELESS COMMUNICATION SYSTEM AND SIGN...
Publication number
20240039620
Publication date
Feb 1, 2024
Nippon Telegraph and Telephone Corporation
Yasuyoshi KOJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RELAY APPARATUS, WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICAT...
Publication number
20240039619
Publication date
Feb 1, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD
Publication number
20240039622
Publication date
Feb 1, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, RELAY APPARATUS, WIRELESS COMMUNICAT...
Publication number
20240031015
Publication date
Jan 25, 2024
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, RELAY APPARATUS AND WIRELESS COMMUNI...
Publication number
20230412199
Publication date
Dec 21, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL APPARATUS AND CONTROL METHOD
Publication number
20230412253
Publication date
Dec 21, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DOPPLER SHIFT COMPENSATION APPARATUS AND DOPPLER SHIFT COMPENSATION...
Publication number
20230412261
Publication date
Dec 21, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, COMMUNICATION APPARATUS, RELAY APPAR...
Publication number
20230413326
Publication date
Dec 21, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PHASE DIFFERENCE DISTRIBUTION ESTIMATION METHOD AND PHASE DIFFERENC...
Publication number
20230291471
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION APPARATUS AND OPTICAL COMMUNICATION SYSTEM
Publication number
20230291479
Publication date
Sep 14, 2023
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL WIRELESS COMMUNICATION DEVICE AND OPTICAL WIRELESS COMMUNIC...
Publication number
20230224036
Publication date
Jul 13, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL WIRELESS COMMUNICATION SYSTEM AND OPTICAL WIRELESS COMMUNIC...
Publication number
20230208521
Publication date
Jun 29, 2023
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, RELAY APPARATUS AND WIRELESS COMMUNI...
Publication number
20230179289
Publication date
Jun 8, 2023
Nippon Telegraph and Telephone Corporation
Daisuke GOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM, RELAY APPARATUS AND WIRELESS COMMUNI...
Publication number
20230170984
Publication date
Jun 1, 2023
Nippon Telegraph and Telephone Corporation
Daisuke GOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL APPARATUS, WIRELESS COMMUNICATION SYSTEM, COMMUNICATION CON...
Publication number
20220386180
Publication date
Dec 1, 2022
Nippon Telegraph and Telephone Corporation
Yohei KATAYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STATION PLACEMENT DESIGNING APPARATUS, STATION PLACEMENT DESIGNING...
Publication number
20220322212
Publication date
Oct 6, 2022
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
STATION PLACEMENT DESIGNING ASSISTANCE APPARATUS, STATION PLACEMENT...
Publication number
20220240100
Publication date
Jul 28, 2022
Nippon Telegraph and Telephone Corporation
Kazumitsu SAKAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE