Chiyoko Yamamoto

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Guard apparatus for avoiding malfunction in optical communication s...
- Patent number 6,343,068
- Issue date Jan 29, 2002
- Fujitsu Limited
- Chiyoko Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional line switch ring network
- Patent number 5,546,403
- Issue date Aug 13, 1996
- Fujitsu Limited
- Chiyoko Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Parallel phase-locked loop oscillator circuits with average frequen...
- Patent number 5,534,822
- Issue date Jul 9, 1996
- Fujitsu Limited
- Atsuki Taniguchi
- H03 - BASIC ELECTRONIC CIRCUITRY