TS

Toshio Shiraiwa

SI Sumitomo Metal Industries: 2 patents #334 of 1,462Top 25%
SK Sumitomo Kinzoku Kogyo Kabushiki Kaisha: 1 patents #14 of 53Top 30%
Overall (All Time): #1,684,706 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4336923 Steel surface inspection apparatus Tatsuo Hiroshima, Takahide Sakamoto 1982-06-29
4294118 Fully automatic ultrasonic flaw detection apparatus Hisao Yamaguchi, Shigeaki Matsumoto 1981-10-13
4270389 Method and apparatus for the automatic ultrasonic flaw detection Hisao Yamaguchi, Shigeaki Matsumoto, Masatoshi Tomabechi, Kimio Nakajima 1981-06-02