TH

Tomohisa Hemmi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #2,656,957 of 4,157,543Top 65%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11340196 Online crack detection device for rolling roll, rolling roll, and online crack detection method for rolling roll Keishi Sato, Masahiko Ohshima, Toshiyuki Hattori, Masaaki Tsuji 2022-05-24