Yoko YAMASHITA

Person

Tsukuba-shi, Ibaraki-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Long period fiber grating and optical transmission system
- Patent number 12,174,413
- Issue date Dec 24, 2024
- Nippon Telegraph and Telephone Corporation
- Ryota Imada
- G02 - OPTICS
Information Patent Grant
Propagation mode loss difference compensator
- Patent number 12,158,607
- Issue date Dec 3, 2024
- Nippon Telegraph and Telephone Corporation
- Yoko Yamashita
- G02 - OPTICS
Information Patent Grant
Core position grasping method, connection method, and connection de...
- Patent number 11,906,783
- Issue date Feb 20, 2024
- Nippon Telegraph and Telephone Corporation
- Yoko Yamashita
- G02 - OPTICS
Information Patent Grant
Connection device, optical connector manufacturing device, connecti...
- Patent number 10,955,622
- Issue date Mar 23, 2021
- Nippon Telegraph and Telephone Corporation
- Takashi Matsui
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MODE CONVERTER AND OPTICAL COMPONENTS INCLUDING MODE CONVERTER
- Publication number 20240427084
- Publication date Dec 26, 2024
- Nippon Telegraph and Telephone Corporation
- Yoko YAMASHITA
- G02 - OPTICS
Information Patent Application
OPTICAL SIDE INPUT/OUTPUT CIRCUIT
- Publication number 20240369769
- Publication date Nov 7, 2024
- Nippon Telegraph and Telephone Corporation
- Yoko YAMASHITA
- G02 - OPTICS
Information Patent Application
MODE CONVERSION DEVICE AND DESIGN METHOD
- Publication number 20240142696
- Publication date May 2, 2024
- Nippon Telegraph and Telephone Corporation
- Yoko YAMASHITA
- G02 - OPTICS
Information Patent Application
OPTICAL SIDE INPUT/OUTPUT CIRCUIT AND OPTICAL CONNECTOR
- Publication number 20230400625
- Publication date Dec 14, 2023
- Nippon Telegraph and Telephone Corporation
- Yoko YAMASHITA
- G02 - OPTICS
Information Patent Application
OPTICAL SIDE INPUT/OUTPUT CIRCUIT AND OPTICAL CONNECTOR
- Publication number 20230358966
- Publication date Nov 9, 2023
- Nippon Telegraph and Telephone Corporation
- Yoko YAMASHITA
- G02 - OPTICS
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD
- Publication number 20230336338
- Publication date Oct 19, 2023
- Nippon Telegraph and Telephone Corporation
- Yuto SAGAE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LONG PERIOD FIBER GRATING AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20230324604
- Publication date Oct 12, 2023
- Nippon Telegraph and Telephone Corporation
- Ryota IMADA
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR
- Publication number 20230305223
- Publication date Sep 28, 2023
- Nippon Telegraph and Telephone Corporation
- Yoko YAMASHITA
- G02 - OPTICS
Information Patent Application
PROPAGATION MODE LOSS DIFFERENCE COMPENSATOR
- Publication number 20230176284
- Publication date Jun 8, 2023
- Nippon Telegraph and Telephone Corporation
- Yoko YAMASHITA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER AMPLIFIER AND RARE EARTH DOPED OPTICAL FIBER
- Publication number 20230163554
- Publication date May 25, 2023
- Nippon Telegraph and Telephone Corporation
- Shinichi AOZASA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RARE EARTH DOPED FIBER AND FIBER OPTIC AMPLIFIER
- Publication number 20230042437
- Publication date Feb 9, 2023
- Nippon Telegraph and Telephone Corporation
- Yoko YAMASHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CORE POSITION GRASPING METHOD, CONNECTION METHOD, AND CONNECTION DE...
- Publication number 20220365282
- Publication date Nov 17, 2022
- Nippon Telegraph and Telephone Corporation
- Yoko YAMASHITA
- G02 - OPTICS
Information Patent Application
INTERMODE LOSS DIFFERENCE COMPENSATION FIBER, OPTICAL AMPLIFIER, AN...
- Publication number 20210234326
- Publication date Jul 29, 2021
- Nippon Telegraph and Telephone Corporation
- Yoko YAMASHITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONNECTION DEVICE, OPTICAL CONNECTOR MANUFACTURING DEVICE, CONNECTI...
- Publication number 20200379187
- Publication date Dec 3, 2020
- Nippon Telegraph and Telephone Corporation
- Takashi MATSUI
- G02 - OPTICS

Yoko YAMASHITA

Person

Patents Grantslast 30 patents

Long period fiber grating and optical transmission system

Propagation mode loss difference compensator

Core position grasping method, connection method, and connection de...

Connection device, optical connector manufacturing device, connecti...

Patents Applicationslast 30 patents

MODE CONVERTER AND OPTICAL COMPONENTS INCLUDING MODE CONVERTER

OPTICAL SIDE INPUT/OUTPUT CIRCUIT

MODE CONVERSION DEVICE AND DESIGN METHOD

OPTICAL SIDE INPUT/OUTPUT CIRCUIT AND OPTICAL CONNECTOR

OPTICAL SIDE INPUT/OUTPUT CIRCUIT AND OPTICAL CONNECTOR

OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD

LONG PERIOD FIBER GRATING AND OPTICAL TRANSMISSION SYSTEM

OPTICAL CONNECTOR

PROPAGATION MODE LOSS DIFFERENCE COMPENSATOR

OPTICAL FIBER AMPLIFIER AND RARE EARTH DOPED OPTICAL FIBER

RARE EARTH DOPED FIBER AND FIBER OPTIC AMPLIFIER

CORE POSITION GRASPING METHOD, CONNECTION METHOD, AND CONNECTION DE...

INTERMODE LOSS DIFFERENCE COMPENSATION FIBER, OPTICAL AMPLIFIER, AN...

CONNECTION DEVICE, OPTICAL CONNECTOR MANUFACTURING DEVICE, CONNECTI...