TH

Tomohisa Hemmi

HI Hitachi: 1 patents #294 of 1,082Top 30%
Overall (2022): #228,490 of 548,613Top 45%
1
Patents 2022

Issued Patents 2022

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