RH

Ryuji Hamada

MM Mitsubishi Mining: 1 patents #62 of 236Top 30%
SI Sumitomo Metal Industries: 1 patents #5 of 78Top 7%
Overall (1997): #81,995 of 185,788Top 45%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5636544 Cold rolling method for a metal strip and a mill array Atsushi Tomizawa, Hideo Yamamoto, Takeshi Masui, Kiyotaka Hori, Shunji Kamata +6 more 1997-06-10