Chikara Shibagaki

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Fukuoka, JP

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Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULE AND CONTROL METHOD FOR OPTICAL MODULE
- Publication number 20170302373
- Publication date Oct 19, 2017
- Fujitsu Limited
- Masahiro Yamakami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR UPDATING FIRMWARE AND COMMUNICATION UNIT
- Publication number 20130009751
- Publication date Jan 10, 2013
- Fujitsu Limited
- Fuyuta SATO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission line rerouting method, subscriber line accommodating a...
- Publication number 20020141553
- Publication date Oct 3, 2002
- Shigeki Kurihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE