Kazunori Katayama

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cable blocks
- Patent number 11,949,220
- Issue date Apr 2, 2024
- Nippon Telegraph and Telephone Corporation
- Kuniaki Terakawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multifiber optical connector and optical cable connection method
- Patent number 11,740,414
- Issue date Aug 29, 2023
- Nippon Telegraph and Telephone Corporation
- Masaaki Takaya
- G02 - OPTICS
Information Patent Grant
Connector plug, connector insertion method, and a connector removal...
- Patent number 11,543,612
- Issue date Jan 3, 2023
- Nippon Telegraph and Telephone Corporation
- Masaaki Takaya
- G02 - OPTICS
Information Patent Grant
Optical connector ferrule, sleeve, and method for manufacturing fer...
- Patent number 11,474,303
- Issue date Oct 18, 2022
- Nippon Telegraph and Telephone Corporation
- Masaaki Takaya
- G02 - OPTICS
Information Patent Grant
Optical fiber cable
- Patent number 11,422,301
- Issue date Aug 23, 2022
- Nippon Telegraph and Telephone Corporation
- Yusuke Yamada
- G02 - OPTICS
Information Patent Grant
Optical fiber cable, and device and method for manufacturing optica...
- Patent number 11,360,281
- Issue date Jun 14, 2022
- Nippon Telegraph and Telephone Corporation
- Masashi Kikuchi
- G02 - OPTICS
Information Patent Grant
Method of switching optical path, and apparatus thereof
- Patent number 8,718,467
- Issue date May 6, 2014
- Nippon Telegraph and Telephone Corporation
- Takeshi Tsujimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL NODES, REMOTE CONTROL SYSTEMS, AND REMOTE CONTROL METHODS
- Publication number 20250070868
- Publication date Feb 27, 2025
- Nippon Telegraph and Telephone Corporation
- Tomohiro KAWANO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE AND METHOD FOR MANUFACTURING PHOTOSYNTHESIS AND DEMULTIPLEXI...
- Publication number 20250018518
- Publication date Jan 16, 2025
- Nippon Telegraph and Telephone Corporation
- Takui UEMATSU
- B24 - GRINDING POLISHING
Information Patent Application
OPTICAL CONNECTION DEVICE AND OPTICAL SWITCH USING IT
- Publication number 20240411089
- Publication date Dec 12, 2024
- Nippon Telegraph and Telephone Corporation
- Chisato FUKAI
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTION MODULE
- Publication number 20240393540
- Publication date Nov 28, 2024
- NIPPON TELEGRAPH TELEPHONE CORPORATION
- Tatsuya FUJIMOTO
- G02 - OPTICS
Information Patent Application
OPTICAL SWITCH AND OPTICAL SWITCH SYSTEM
- Publication number 20240329325
- Publication date Oct 3, 2024
- Nippon Telegraph and Telephone Corporation
- Tatsuya FUJIMOTO
- G02 - OPTICS
Information Patent Application
OPTICAL NODE, ROTATION ANGLE DEVIATION COMPENSATION SYSTEM AND ROTA...
- Publication number 20240280758
- Publication date Aug 22, 2024
- Nippon Telegraph and Telephone Corporation
- Tomohiro KAWANO
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR PLUG, OPTICAL CONNECTOR AND MANUFACTURING METHOD...
- Publication number 20240272375
- Publication date Aug 15, 2024
- Nippon Telegraph and Telephone Corporation
- Yoshiteru ABE
- G02 - OPTICS
Information Patent Application
OPTICAL SWITCH AND OPTICAL SWITCH SYSTEM
- Publication number 20240264381
- Publication date Aug 8, 2024
- Nippon Telegraph and Telephone Corporation
- Tatsuya FUJIMOTO
- G02 - OPTICS
Information Patent Application
OPTICAL MONITOR DEVICE
- Publication number 20240230461
- Publication date Jul 11, 2024
- Nippon Telegraph and Telephone Corporation
- Ryo KOYAMA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL MONITOR DEVICE
- Publication number 20240230464
- Publication date Jul 11, 2024
- Nippon Telegraph and Telephone Corporation
- Ryo KOYAMA
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL CONNECTOR AND ITS MANUFACTURING METHOD
- Publication number 20240201448
- Publication date Jun 20, 2024
- Nippon Telegraph and Telephone Corporation
- Yoshiteru ABE
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR CLEANING TOOL
- Publication number 20240201450
- Publication date Jun 20, 2024
- Nippon Telegraph and Telephone Corporation
- Yoshiteru ABE
- B08 - CLEANING
Information Patent Application
OPTICAL SWITCH
- Publication number 20240134127
- Publication date Apr 25, 2024
- Nippon Telegraph and Telephone Corporation
- Chisato FUKAI
- G02 - OPTICS
Information Patent Application
OPTICAL COUPLING PART AND OPTICAL SWITCH
- Publication number 20240094477
- Publication date Mar 21, 2024
- Nippon Telegraph and Telephone Corporation
- Chisato FUKAI
- G02 - OPTICS
Information Patent Application
CYLINDRICAL MULTI-CORE FERRULE AND OPTICAL CONNECTOR
- Publication number 20240061188
- Publication date Feb 22, 2024
- Nippon Telegraph and Telephone Corporation
- Chisato FUKAI
- G02 - OPTICS
Information Patent Application
SURVEILLANCE CONTROL DEVICE AND OPTICAL POWER SUPPLY SYSTEM
- Publication number 20240056708
- Publication date Feb 15, 2024
- Nippon Telegraph and Telephone Corporation
- Tomohiro KAWANO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
OPTICAL CONNECTOR CLEANING TOOL
- Publication number 20240027692
- Publication date Jan 25, 2024
- Nippon Telegraph and Telephone Corporation
- Chisato FUKAI
- B08 - CLEANING
Information Patent Application
OPTICAL COUPLING DEVICE AND OPTICAL COUPLING SYSTEM
- Publication number 20230314715
- Publication date Oct 5, 2023
- Nippon Telegraph and Telephone Corporation
- Tatsuya FUJIMOTO
- G02 - OPTICS
Information Patent Application
OPTICAL COUPLING DEVICE AND OPTICAL COUPLING SYSTEM
- Publication number 20230280536
- Publication date Sep 7, 2023
- Nippon Telegraph and Telephone Corporation
- Tatsuya FUJIMOTO
- G02 - OPTICS
Information Patent Application
AIR CONDITIONING SYSTEM AND AIR CONDITIONING CONTROL METHOD
- Publication number 20220349609
- Publication date Nov 3, 2022
- Nippon Telegraph and Telephone Corporation
- Tatsuya FUJIMOTO
- F24 - HEATING RANGES VENTILATING
Information Patent Application
CABLE ROUTE SETTING METHOD
- Publication number 20220327274
- Publication date Oct 13, 2022
- Nippon Telegraph and Telephone Corporation
- Tatsuya Fujimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CABLE BLOCKS
- Publication number 20220320846
- Publication date Oct 6, 2022
- Nippon Telegraph and Telephone Corporation
- Kuniaki TERAKAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CABLE ROUTE DESIGN METHOD
- Publication number 20220318448
- Publication date Oct 6, 2022
- Nippon Telegraph and Telephone Corporation
- Kuniaki TERAKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CONNECTOR PLUG, CONNECTOR INSERTION METHOD, AND A CONNECTOR REMOVAL...
- Publication number 20220113484
- Publication date Apr 14, 2022
- Nippon Telegraph and Telephone Corporation
- Masaaki TAKAYA
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR FERRULE, SLEEVE, AND METHOD FOR MANUFACTURING FER...
- Publication number 20210389528
- Publication date Dec 16, 2021
- Nippon Telegraph and Telephone Corporation
- Masaaki Takaya
- G02 - OPTICS
Information Patent Application
MULTI-CORE OPTICAL CONNECTOR AND OPTICAL CABLE CONNECTION METHOD
- Publication number 20210341687
- Publication date Nov 4, 2021
- Nippon Telegraph and Telephone Corporation
- Masaaki TAKAYA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CABLE, AND DEVICE AND METHOD FOR MANUFACTURING OPTICA...
- Publication number 20210132314
- Publication date May 6, 2021
- Nippon Telegraph and Telephone Corporation
- Masashi KIKUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER CABLE
- Publication number 20210124113
- Publication date Apr 29, 2021
- Nippon Telegraph and Telephone Corporation
- Yusuke YAMADA
- G02 - OPTICS
Information Patent Application
METHOD OF SWITCHING OPTICAL PATH, AND APPARATUS THEREOF
- Publication number 20110236015
- Publication date Sep 29, 2011
- Takeshi Tsujimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Kazunori Katayama

Person

Patents Grantslast 30 patents

Cable blocks

Multifiber optical connector and optical cable connection method

Connector plug, connector insertion method, and a connector removal...

Optical connector ferrule, sleeve, and method for manufacturing fer...

Optical fiber cable

Optical fiber cable, and device and method for manufacturing optica...

Method of switching optical path, and apparatus thereof

Patents Applicationslast 30 patents

OPTICAL NODES, REMOTE CONTROL SYSTEMS, AND REMOTE CONTROL METHODS

DEVICE AND METHOD FOR MANUFACTURING PHOTOSYNTHESIS AND DEMULTIPLEXI...

OPTICAL CONNECTION DEVICE AND OPTICAL SWITCH USING IT

OPTICAL CONNECTION MODULE

OPTICAL SWITCH AND OPTICAL SWITCH SYSTEM

OPTICAL NODE, ROTATION ANGLE DEVIATION COMPENSATION SYSTEM AND ROTA...

OPTICAL CONNECTOR PLUG, OPTICAL CONNECTOR AND MANUFACTURING METHOD...

OPTICAL SWITCH AND OPTICAL SWITCH SYSTEM

OPTICAL MONITOR DEVICE

OPTICAL MONITOR DEVICE

OPTICAL CONNECTOR AND ITS MANUFACTURING METHOD

OPTICAL CONNECTOR CLEANING TOOL

OPTICAL SWITCH

OPTICAL COUPLING PART AND OPTICAL SWITCH

CYLINDRICAL MULTI-CORE FERRULE AND OPTICAL CONNECTOR

SURVEILLANCE CONTROL DEVICE AND OPTICAL POWER SUPPLY SYSTEM

OPTICAL CONNECTOR CLEANING TOOL

OPTICAL COUPLING DEVICE AND OPTICAL COUPLING SYSTEM

OPTICAL COUPLING DEVICE AND OPTICAL COUPLING SYSTEM

AIR CONDITIONING SYSTEM AND AIR CONDITIONING CONTROL METHOD

CABLE ROUTE SETTING METHOD

CABLE BLOCKS

CABLE ROUTE DESIGN METHOD

CONNECTOR PLUG, CONNECTOR INSERTION METHOD, AND A CONNECTOR REMOVAL...

OPTICAL CONNECTOR FERRULE, SLEEVE, AND METHOD FOR MANUFACTURING FER...

MULTI-CORE OPTICAL CONNECTOR AND OPTICAL CABLE CONNECTION METHOD

OPTICAL FIBER CABLE, AND DEVICE AND METHOD FOR MANUFACTURING OPTICA...

OPTICAL FIBER CABLE

METHOD OF SWITCHING OPTICAL PATH, AND APPARATUS THEREOF