Kazunori Koga

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic flaw detecting apparatus for inspecting multi-layer stru...
- Patent number 5,681,995
- Issue date Oct 28, 1997
- Hitachi, Ltd.
- Takehiro Ooura
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for sending out and receiving ultrasonic wave...
- Patent number 4,736,630
- Issue date Apr 12, 1988
- Hitachi, Ltd.
- Fuminobu Takahashi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Two-probe ultrasonic flaw detection apparatus
- Patent number 4,615,217
- Issue date Oct 7, 1986
- Hitachi, Ltd.
- Masahiro Koike
- G01 - MEASURING TESTING
Information Patent Grant
Method of selecting composite reception signal in ultrasonic inspec...
- Patent number 4,592,237
- Issue date Jun 3, 1986
- Hitachi, Ltd.
- Satoshi Ogura
- G01 - MEASURING TESTING