EO

Eiichi Ohata

IT Itec: 1 patents #2 of 13Top 20%
Overall (All Time): #3,238,140 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7874120 Connecting structure for steel frame columns and steel frame girders Kazuo Wakasugi, Koichi Hirosawa, Kenji Narita 2011-01-25