KN

Kimio Nakajima

SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #4,090,472 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4270389 Method and apparatus for the automatic ultrasonic flaw detection Toshio Shiraiwa, Hisao Yamaguchi, Shigeaki Matsumoto, Masatoshi Tomabechi 1981-06-02