Ryota IMADA

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Musashino-shi, Tokyo, JP

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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

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER FOR AMPLIFICATION, OPTICAL AMPLIFIER, AND METHOD FOR...
- Publication number 20250105578
- Publication date Mar 27, 2025
- Nippon Telegraph and Telephone Corporation
- Taiji SAKAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL TRANSMISSION SYSTEM
- Publication number 20240007189
- Publication date Jan 4, 2024
- Nippon Telegraph and Telephone Corporation
- Yuto SAGAE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 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