YU

Yukio Usui

JS Jfe Steel: 2 patents #578 of 1,401Top 45%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
Overall (All Time): #1,476,227 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10072320 Method of producing steel material Kohei Furumai, Norichika Aramaki, Yuji Miki, Takeshi Murai, Toru Inoue +1 more 2018-09-11
9939382 Method of checking forsterite, apparatus that evaluates forsterite, and production line that manufactures steel sheet Masayasu Nagoshi, Takako Yamashita, Shigehiro Takajo, Kazuhiro Hanazawa 2018-04-10
5223280 Apparatus for taking residual solid matter out of extrusion head Masayuki Ogata, Eiji Yano 1993-06-29