Koji Iwamoto

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Path protection switch ring system for line saving even though line...
- Patent number 5,790,520
- Issue date Aug 4, 1998
- Fujitsu Limited
- Koji Iwamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Add-drop multiplexer with enhancement of accessibility to signals i...
- Patent number 5,754,545
- Issue date May 19, 1998
- Fujitsu Limited
- Masahiro Shinbashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TRANSMISSION DEVICE AND ELECTRONIC APPARATUS
- Publication number 20190159362
- Publication date May 23, 2019
- Fujitsu Limited
- Hiroyuki ABE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTROLLER, METHOD FOR CONTROLLING, AND COMPUTER-READABLE RECORDING...
- Publication number 20140244728
- Publication date Aug 28, 2014
- Fujitsu Limited
- Tomotaka ENDO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE