Yoshitoshi Nagahashi

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for symptom diagnosis by monitoring vibration...
- Patent number 4,437,163
- Issue date Mar 13, 1984
- Hitachi, Ltd.
- Nobuo Kurihara
- G07 - CHECKING-DEVICES
Information Patent Grant
Method and apparatus for monitoring the shaft vibration of a rotary...
- Patent number 4,426,641
- Issue date Jan 17, 1984
- Hitachi, Ltd.
- Nobuo Kurihara
- G01 - MEASURING TESTING
Information Patent Grant
Method of diagnosing vibration of rotary machine
- Patent number 4,352,293
- Issue date Oct 5, 1982
- Hitachi, Ltd.
- Nobuo Kurihara
- G01 - MEASURING TESTING