AA

Akihiko Amana

KA Kajima: 1 patents #125 of 383Top 35%
Overall (All Time): #3,863,317 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5163256 Elasto-plastic damper for structure Toshiyuki Fukumoto, Eiji Fukuzawa, Toshikazu Yamada, Naoki Tanaka, Yoshikazu Maeda 1992-11-17