Akio Sahara

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wavelength selection switch system and method for controlling wavel...
- Patent number 9,294,826
- Issue date Mar 22, 2016
- Nippon Telegraph and Telephone Corporation
- Tomoyoshi Kataoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength selection switch system and method for controlling wavel...
- Patent number 9,247,324
- Issue date Jan 26, 2016
- Nippon Telegraph and Telephone Corporation
- Tomoyoshi Kataoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WAVELENGTH SELECTION SWITCH SYSTEM AND METHOD FOR CONTROLLING WAVEL...
- Publication number 20150030327
- Publication date Jan 29, 2015
- Nippon Telegraph and Telephone Corporation
- Tomoyoshi Kataoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE