TO

Toshiya Oi

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #3,764,321 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5390518 Method for shining metal sheet surfaces and method for cold-rolling metallic materials Kazuo Morimoto, Hideaki Furumoto, Tetsuo Kajihara, Kanji Hayashi, Atsushi Tomizawa +5 more 1995-02-21