Keita TAKAHASHI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and method of producing the same, and electron...
- Patent number 12,347,721
- Issue date Jul 1, 2025
- SONY SEMICONDUCTOR SOLUTIONS CORPORATION
- Katsuhiko Takeuchi
- H01 - BASIC ELECTRIC ELEMENTS
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
Surface-modified inorganic nitride, composition, thermally conducti...
- Patent number 12,030,774
- Issue date Jul 9, 2024
- FUJIFILM Corporation
- Seiichi Hitomi
- C01 - INORGANIC CHEMISTRY
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
Surface-modified inorganic nitride, composition, thermally conducti...
- Patent number 11,945,717
- Issue date Apr 2, 2024
- FUJIFILM Corporation
- Seiichi Hitomi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Surface-modified inorganic nitride, composition, thermally conducti...
- Patent number 11,945,718
- Issue date Apr 2, 2024
- FUJIFILM Corporation
- Seiichi Hitomi
- C01 - INORGANIC CHEMISTRY
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
Polymerizable liquid crystal compound, polymerizable liquid crystal...
- Patent number 11,932,798
- Issue date Mar 19, 2024
- FUJIFILM Corporation
- Satoshi Shimamura
- C07 - ORGANIC CHEMISTRY
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
Polymerizable liquid crystal composition, optically anisotropic fil...
- Patent number 11,746,295
- Issue date Sep 5, 2023
- FUJIFILM Corporation
- Daisuke Hayashi
- G02 - OPTICS
Information Patent Grant
Thermally conductive material, device with thermally conductive lay...
- Patent number 11,702,578
- Issue date Jul 18, 2023
- FUJIFILM Corporation
- Seiichi Hitomi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymerizable liquid crystal composition, optically anisotropic fil...
- Patent number 11,702,596
- Issue date Jul 18, 2023
- FUJIFILM Corporation
- Daisuke Hayashi
- G02 - OPTICS
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
Polymerizable liquid crystal composition, method for producing poly...
- Patent number 11,480,721
- Issue date Oct 25, 2022
- FUJIFILM Corporation
- Daisuke Hayashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Surface-modified inorganic nitride, composition, thermally conducti...
- Patent number 11,370,950
- Issue date Jun 28, 2022
- FUJIFILM Corporation
- Seiichi Hitomi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Optically anisotropic film, optical film, polarizing plate, and ima...
- Patent number 11,370,970
- Issue date Jun 28, 2022
- FUJIFILM Corporation
- Ayako Muramatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymerizable liquid crystal composition, optically anisotropic fil...
- Patent number 11,332,669
- Issue date May 17, 2022
- FUJIFILM Corporation
- Keita Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable liquid crystal composition, optically anisotropic fil...
- Patent number 11,279,880
- Issue date Mar 22, 2022
- FUJIFILM Corporation
- Keita Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerizable liquid crystal compound, method for producing polymer...
- Patent number 11,225,605
- Issue date Jan 18, 2022
- FUJIFILM Corporation
- Daisuke Hayashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
LAMINATE, FILM, THERMOSETTING FILM, AND MANUFACTURING METHOD OF WIR...
- Publication number 20250178313
- Publication date Jun 5, 2025
- FUJIFILM CORPORATION
- Daisuke HAYASHI
- B32 - LAYERED PRODUCTS
Information Patent Application
NOISE ANALYSIS APPARATUS, NOISE ANALYSIS METHOD, AND PROGRAM
- Publication number 20250164536
- Publication date May 22, 2025
- Mitsubishi Electric Corporation
- Keita TAKAHASHI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
POLYMERIZABLE COMPOSITION, CURED PRODUCT, WAVELENGTH CONVERSION MEM...
- Publication number 20240345433
- Publication date Oct 17, 2024
- FUJIFILM CORPORATION
- Daisuke HAYASHI
- G02 - OPTICS
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
COMPOUND, POLYMERIZABLE COMPOSITION, AND CURED PRODUCT
- Publication number 20240294678
- Publication date Sep 5, 2024
- FUJIFILM CORPORATION
- Daisuke HAYASHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
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 20230135477
- Publication date May 4, 2023
- Nippon Telegraph and Telephone Corporation
- Naotaka SHIBATA
- 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
COMPOSITION FOR FORMING THERMALLY CONDUCTIVE MATERIAL, THERMALLY CO...
- Publication number 20230099722
- Publication date Mar 30, 2023
- FUJIFILM CORPORATION
- Seiichi HITOMI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
LIQUID CRYSTAL POLYMER PARTICLES, METHOD OF PRODUCING SAME, AND COM...
- Publication number 20230042165
- Publication date Feb 9, 2023
- FUJIFILM CORPORATION
- Daisuke HAYASHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SEMICONDUCTOR DEVICE AND METHOD OF PRODUCING THE SAME, AND ELECTRON...
- Publication number 20230014905
- Publication date Jan 19, 2023
- Sony Semiconductor Solutions Corporation
- KATSUHIKO TAKEUCHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITION, THERMALLY CONDUCTIVE MATERIAL, THERMALLY CONDUCTIVE SH...
- Publication number 20230020941
- Publication date Jan 19, 2023
- FUJIFILM CORPORATION
- Seiichi HITOMI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Keita TAKAHASHI

Person

Patents Grantslast 30 patents

Semiconductor device and method of producing the same, and electron...

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

Surface-modified inorganic nitride, composition, thermally conducti...

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

Surface-modified inorganic nitride, composition, thermally conducti...

Surface-modified inorganic nitride, composition, thermally conducti...

Communication system and OLT system

Polymerizable liquid crystal compound, polymerizable liquid crystal...

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...

Polymerizable liquid crystal composition, optically anisotropic fil...

Thermally conductive material, device with thermally conductive lay...

Polymerizable liquid crystal composition, optically anisotropic fil...

Relay apparatus and relay method

Control apparatus and control method

Polymerizable liquid crystal composition, method for producing poly...

Surface-modified inorganic nitride, composition, thermally conducti...

Optically anisotropic film, optical film, polarizing plate, and ima...

Polymerizable liquid crystal composition, optically anisotropic fil...

Polymerizable liquid crystal composition, optically anisotropic fil...

Polymerizable liquid crystal compound, method for producing polymer...

Patents Applicationslast 30 patents

LAMINATE, FILM, THERMOSETTING FILM, AND MANUFACTURING METHOD OF WIR...

NOISE ANALYSIS APPARATUS, NOISE ANALYSIS METHOD, AND PROGRAM

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

POLYMERIZABLE COMPOSITION, CURED PRODUCT, WAVELENGTH CONVERSION MEM...

COMMUNICATION SYSTEM AND COMMUNICATION CONTROL APPARATUS

COMPOUND, POLYMERIZABLE COMPOSITION, AND CURED PRODUCT

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

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 MET...

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

COMPOSITION FOR FORMING THERMALLY CONDUCTIVE MATERIAL, THERMALLY CO...

COMMUNICATION SYSTEM AND OLT SYSTEM

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

LIQUID CRYSTAL POLYMER PARTICLES, METHOD OF PRODUCING SAME, AND COM...

SEMICONDUCTOR DEVICE AND METHOD OF PRODUCING THE SAME, AND ELECTRON...

COMPOSITION, THERMALLY CONDUCTIVE MATERIAL, THERMALLY CONDUCTIVE SH...