Kenta Hirose

Follow

Person

Musashino-shi, Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wavelength cross connect device and wavelength cross connect method
- Patent number 11,979,226
- Issue date May 7, 2024
- Nippon Telegraph and Telephone Corporation
- Hiroki Kawahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cyclic wavelength band replacement device, multi-band transmission...
- Patent number 11,824,583
- Issue date Nov 21, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroki Kawahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND DESIGN METHOD FOR OPTICALTRANSMISSI...
- Publication number 20230268998
- Publication date Aug 24, 2023
- Nippon Telegraph and Telephone Corporation
- Kohei SAITO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-CORE FIBER, OPTICAL TRANSMISSION SYSTEM, AND OPTICAL TRANSMIS...
- Publication number 20230244025
- Publication date Aug 3, 2023
- Nippon Telegraph and Telephone Corporation
- Kenta HIROSE
- G02 - OPTICS
Information Patent Application
CYCLIC WAVELENGTH BAND REPLACEMENT DEVICE, MULTI-BAND TRANSMISSION...
- Publication number 20230074213
- Publication date Mar 9, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroki Kawahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH CROSS CONNECT DEVICE AND WAVELENGTH CROSS CONNECT METHOD
- Publication number 20230067932
- Publication date Mar 2, 2023
- Nippon Telegraph and Telephone Corporation
- Hiroki Kawahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE