Toshio Shiraiwa

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fully automatic ultrasonic flaw detection apparatus
- Patent number 4,294,118
- Issue date Oct 13, 1981
- Sumitomo Kinzoku Kogyo Kabushiki Kaisha
- Toshio Shiraiwa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method and apparatus for the automatic ultrasonic flaw detection
- Patent number 4,270,389
- Issue date Jun 2, 1981
- Sumitomo Metal Industries Limited
- Toshio Shiraiwa
- G01 - MEASURING TESTING