Keita TAKAHASHI

Person

Chiyoda-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Performing a control operation to switch a plurality of communicati...
- Patent number 12,225,446
- Issue date Feb 11, 2025
- Nippon Telegraph and Telephone Corporation
- Naotaka Shibata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplex transmission system and connection method between ports f...
- Patent number 12,149,338
- Issue date Nov 19, 2024
- Nippon Telegraph and Telephone Corporation
- Naotaka Shibata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiplex transmission system and connection method between ports f...
- Patent number 12,095,548
- Issue date Sep 17, 2024
- Nippon Telegraph and Telephone Corporation
- Keita Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and ONU system
- Patent number 12,088,978
- Issue date Sep 10, 2024
- Nippon Telegraph and Telephone Corporation
- Tomoya Hatano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and OLT system
- Patent number 12,063,072
- Issue date Aug 13, 2024
- Nippon Telegraph and Telephone Corporation
- Tomoya Hatano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, communication device, and terminal device
- Patent number 12,058,557
- Issue date Aug 6, 2024
- Nippon Telegraph and Telephone Corporation
- Tatsuya Fukui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Relay device, relay method, and relay program
- Patent number 12,047,848
- Issue date Jul 23, 2024
- Nippon Telegraph and Telephone Corporation
- Naotaka Shibata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal transfer system, signal transfer method, and path control de...
- Patent number 12,010,521
- Issue date Jun 11, 2024
- Nippon Telegraph and Telephone Corporation
- Naotaka Shibata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and OLT system
- Patent number 11,936,432
- Issue date Mar 19, 2024
- Nippon Telegraph and Telephone Corporation
- Tomoya Hatano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Relay device, relay method, and relay program
- Patent number 11,923,950
- Issue date Mar 5, 2024
- Nippon Telegraph and Telephone Corporation
- Naotaka Shibata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power conversion device, motor drive system, and disconnection dete...
- Patent number 11,894,784
- Issue date Feb 6, 2024
- Mitsubishi Electric Corporation
- Nobuyuki Haruna
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Signal transfer management device, signal transfer management metho...
- Patent number 11,804,920
- Issue date Oct 31, 2023
- Nippon Telegraph and Telephone Corporation
- Keita Takahashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiplex transmission system and multiplex transmission method
- Patent number 11,804,897
- Issue date Oct 31, 2023
- Nippon Telegraph and Telephone Corporation
- Naotaka Shibata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal transfer system, signal transfer device, signal transfer met...
- Patent number 11,757,788
- Issue date Sep 12, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroko Nomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Relay apparatus and relay method
- Patent number 11,509,357
- Issue date Nov 22, 2022
- Nippon Telegraph and Telephone Corporation
- Kenji Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control apparatus and control method
- Patent number 11,490,289
- Issue date Nov 1, 2022
- Nippon Telegraph and Telephone Corporation
- Kenji Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
In-vehicle electronic device
- Patent number 10,638,602
- Issue date Apr 28, 2020
- Mitsubishi Electric Corporation
- Mitsunori Nishida
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Power conversion device
- Patent number 10,218,259
- Issue date Feb 26, 2019
- Mitsubishi Electric Corporation
- Tetsuro Fujiwara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power circuit device
- Patent number 10,177,674
- Issue date Jan 8, 2019
- Mitsubishi Electric Corporation
- Mamoru Kamikura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power conversion device
- Patent number 10,084,388
- Issue date Sep 25, 2018
- Mitsubishi Electric Corporation
- Keita Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power semiconductor device
- Patent number 9,646,927
- Issue date May 9, 2017
- Mitsubishi Electric Corporation
- Mamoru Kamikura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
SIGNAL TRANSFER CONTROL DEVICE, SIGNAL TRANSFER CONTROL METHOD, SIG...
- Publication number 20240372812
- Publication date Nov 7, 2024
- Nippon Telegraph and Telephone Corporation
- Hiroko NOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND COMMUNICATION CONTROL APPARATUS
- Publication number 20240323746
- Publication date Sep 26, 2024
- Nippon Telegraph and Telephone Corporation
- Kenji Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER METHOD, SIGNAL TRANSFER PRO...
- Publication number 20240171521
- Publication date May 23, 2024
- Nippon Telegraph and Telephone Corporation
- Takamitsu TOCHINO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLEX TRANSMISSION SYSTEM, RESOURCE CONTROL METHOD FOR MULTIPLE...
- Publication number 20240031018
- Publication date Jan 25, 2024
- Nippon Telegraph and Telephone Corporation
- Hiroko NOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER CONVERSION DEVICE, MOTOR DRIVE SYSTEM, AND DISCONNECTION DETE...
- Publication number 20240014750
- Publication date Jan 11, 2024
- Mitsubishi Electric Corporation
- Nobuyuki HARUNA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTIPLEX TRANSMISSION SYSTEM, RESOURCE CONTROL METHOD FOR MULTIPLE...
- Publication number 20230361867
- Publication date Nov 9, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroko NOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLEX TRANSMISSION SYSTEM, RESOURCE CONTROL METHOD FOR MULTIPLE...
- Publication number 20230336244
- Publication date Oct 19, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroko NOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SLAVE STATION SYSTEM
- Publication number 20230319604
- Publication date Oct 5, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroko NOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SLAVE STATION SYSTEM
- Publication number 20230319595
- Publication date Oct 5, 2023
- Nippon Telegraph and Telephone Corporation
- Hirofumi YAMAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLEX TRANSMISSION SYSTEM AND CONNECTION METHOD BETWEEN PORTS F...
- Publication number 20230291492
- Publication date Sep 14, 2023
- Nippon Telegraph and Telephone Corporation
- Naotaka SHIBATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLEX TRANSMISSION SYSTEM AND CONNECTION METHOD BETWEEN PORTS F...
- Publication number 20230261779
- Publication date Aug 17, 2023
- Nippon Telegraph and Telephone Corporation
- Keita TAKAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSFER CONTROL DEVICE AND SIGNAL TRANSFER CONTROL METHOD
- Publication number 20230247517
- Publication date Aug 3, 2023
- Nippon Telegraph and Telephone Corporation
- Naotaka SHIBATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20230156382
- Publication date May 18, 2023
- Nippon Telegraph and Telephone Corporation
- Tomoya HATANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER CONVERSION DEVICE
- Publication number 20230145046
- Publication date May 11, 2023
- Mitsubishi Electric Corporation
- Keita TAKAHASHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
COMMUNICATION SYSTEM AND OLT SYSTEM
- Publication number 20230146851
- Publication date May 11, 2023
- Nippon Telegraph and Telephone Corporation
- Tomoya HATANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER MET...
- Publication number 20230135477
- Publication date May 4, 2023
- Nippon Telegraph and Telephone Corporation
- Naotaka SHIBATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND ONU SYSTEM
- Publication number 20230133100
- Publication date May 4, 2023
- Nippon Telegraph and Telephone Corporation
- Tomoya HATANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER MET...
- Publication number 20230120429
- Publication date Apr 20, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroko NOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER MET...
- Publication number 20230113911
- Publication date Apr 13, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroko NOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER MAN...
- Publication number 20230104386
- Publication date Apr 6, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroko NOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND OLT SYSTEM
- Publication number 20230084976
- Publication date Mar 16, 2023
- Nippon Telegraph and Telephone Corporation
- Tomoya HATANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSFER MANAGEMENT DEVICE, SIGNAL TRANSFER MANAGEMENT METHO...
- Publication number 20230075721
- Publication date Mar 9, 2023
- Nippon Telegraph and Telephone Corporation
- Keita TAKAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLEX TRANSMISSION SYSTEM AND MULTIPLEX TRANSMISSION METHOD
- Publication number 20220200702
- Publication date Jun 23, 2022
- Nippon Telegraph and Telephone Corporation
- Naotaka SHIBATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND TERMINAL DEVICE
- Publication number 20220201536
- Publication date Jun 23, 2022
- Nippon Telegraph and Telephone Corporation
- Tatsuya FUKUI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER METHOD, AND PATH CONTROL DE...
- Publication number 20220201493
- Publication date Jun 23, 2022
- Nippon Telegraph and Telephone Corporation
- Naotaka SHIBATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RELAY DEVICE, RELAY METHOD, AND RELAY PROGRAM
- Publication number 20220006509
- Publication date Jan 6, 2022
- Nippon Telegraph and Telephone Corporation
- Naotaka SHIBATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RELAY DEVICE, RELAY METHOD, AND RELAY PROGRAM
- Publication number 20220007151
- Publication date Jan 6, 2022
- Nippon Telegraph and Telephone Corporation
- Naotaka SHIBATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RELAY APPARATUS AND RELAY METHOD
- Publication number 20210344381
- Publication date Nov 4, 2021
- Nippon Telegraph and Telephone Corporation
- Kenji Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROL APPARATUS AND CONTROL METHOD
- Publication number 20210282052
- Publication date Sep 9, 2021
- Nippon Telegraph and Telephone Corporation
- Kenji Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IN-VEHICLE ELECTRONIC DEVICE
- Publication number 20190223287
- Publication date Jul 18, 2019
- Mitsubishi Electric Corporation
- Mitsunori NISHIDA
- B60 - VEHICLES IN GENERAL

Keita TAKAHASHI

Person

Patents Grantslast 30 patents

Performing a control operation to switch a plurality of communicati...

Multiplex transmission system and connection method between ports f...

Multiplex transmission system and connection method between ports f...

Communication system and ONU system

Communication system and OLT system

Communication system, communication device, and terminal device

Relay device, relay method, and relay program

Signal transfer system, signal transfer method, and path control de...

Communication system and OLT system

Relay device, relay method, and relay program

Power conversion device, motor drive system, and disconnection dete...

Signal transfer management device, signal transfer management metho...

Multiplex transmission system and multiplex transmission method

Signal transfer system, signal transfer device, signal transfer met...

Relay apparatus and relay method

Control apparatus and control method

In-vehicle electronic device

Power conversion device

Power circuit device

Power conversion device

Power semiconductor device

Patents Applicationslast 30 patents

SIGNAL TRANSFER CONTROL DEVICE, SIGNAL TRANSFER CONTROL METHOD, SIG...

COMMUNICATION SYSTEM AND COMMUNICATION CONTROL APPARATUS

SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER METHOD, SIGNAL TRANSFER PRO...

MULTIPLEX TRANSMISSION SYSTEM, RESOURCE CONTROL METHOD FOR MULTIPLE...

POWER CONVERSION DEVICE, MOTOR DRIVE SYSTEM, AND DISCONNECTION DETE...

MULTIPLEX TRANSMISSION SYSTEM, RESOURCE CONTROL METHOD FOR MULTIPLE...

MULTIPLEX TRANSMISSION SYSTEM, RESOURCE CONTROL METHOD FOR MULTIPLE...

SLAVE STATION SYSTEM

SLAVE STATION SYSTEM

MULTIPLEX TRANSMISSION SYSTEM AND CONNECTION METHOD BETWEEN PORTS F...

MULTIPLEX TRANSMISSION SYSTEM AND CONNECTION METHOD BETWEEN PORTS F...

SIGNAL TRANSFER CONTROL DEVICE AND SIGNAL TRANSFER CONTROL METHOD

COMMUNICATION SYSTEM

POWER CONVERSION DEVICE

COMMUNICATION SYSTEM AND OLT SYSTEM

SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER MET...

COMMUNICATION SYSTEM AND ONU SYSTEM

SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER MET...

SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER MET...

SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER DEVICE, SIGNAL TRANSFER MAN...

COMMUNICATION SYSTEM AND OLT SYSTEM

SIGNAL TRANSFER MANAGEMENT DEVICE, SIGNAL TRANSFER MANAGEMENT METHO...

MULTIPLEX TRANSMISSION SYSTEM AND MULTIPLEX TRANSMISSION METHOD

COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND TERMINAL DEVICE

SIGNAL TRANSFER SYSTEM, SIGNAL TRANSFER METHOD, AND PATH CONTROL DE...

RELAY DEVICE, RELAY METHOD, AND RELAY PROGRAM

RELAY DEVICE, RELAY METHOD, AND RELAY PROGRAM

RELAY APPARATUS AND RELAY METHOD

CONTROL APPARATUS AND CONTROL METHOD

IN-VEHICLE ELECTRONIC DEVICE