KH

Koichi Hirosawa

IT Itec: 1 patents #1 of 4Top 25%
Overall (2011): #241,284 of 364,097Top 70%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

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