Akira ISODA

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Yokosuka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light amplifying relay system
- Patent number 12,034,269
- Issue date Jul 9, 2024
- Nippon Telegraph and Telephone Corporation
- Takayuki Mizuno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Signal separating apparatus and signal separating method
- Patent number 11,552,714
- Issue date Jan 10, 2023
- Nippon Telegraph and Telephone Corporation
- Kohki Shibahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optically amplified repeater system and optical amplifier
- Patent number 11,476,635
- Issue date Oct 18, 2022
- Nippon Telegraph and Telephone Corporation
- Takayuki Mizuno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Crosstalk estimation system
- Patent number 11,349,564
- Issue date May 31, 2022
- Nippon Telegraph and Telephone Corporation
- Akira Isoda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal separating apparatus and signal separating method
- Patent number 10,985,846
- Issue date Apr 20, 2021
- Nippon Telegraph and Telephone Corporation
- Kohki Shibahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CROSSTALK ESTIMATION SYSTEM
- Publication number 20210376924
- Publication date Dec 2, 2021
- Nippon Telegraph and Telephone Corporation
- Akira ISODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT AMPLIFYING RELAY SYSTEM
- Publication number 20210296847
- Publication date Sep 23, 2021
- Nippon Telegraph and Telephone Corporation
- Takayuki MIZUNO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Signal Separating Apparatus And Signal Separating Method
- Publication number 20210218477
- Publication date Jul 15, 2021
- Nippon Telegraph and Telephone Corporation
- Kohki SHIBAHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICALLY AMPLIFIED REPEATER SYSTEM AND OPTICAL AMPLIFIER
- Publication number 20200381888
- Publication date Dec 3, 2020
- Nippon Telegraph and Telephone Corporation
- Takayuki MIZUNO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL SEPARATING APPARATUS AND SIGNAL SEPARATING METHOD
- Publication number 20200014469
- Publication date Jan 9, 2020
- Nippon Telegraph and Telephone Corporation
- Kohki SHIBAHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE