Yukinaga Toyoda

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for preventing malfunction at time of duplex unit failure
- Patent number 5,958,069
- Issue date Sep 28, 1999
- Fujitsu Limited
- Hiroya Kawasaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of detecting cell loss and exchange provided with cell loss...
- Patent number 5,878,063
- Issue date Mar 2, 1999
- Fujitsu Limited
- Hiroya Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE