Inventor
NIWA NAOKI
JP7 patents
Patents
7 patentsUS5347771ASep 20, 1994
High damping device for seismic response controlled structure
KAJIMA CORP66 citations95
US5311709AMay 17, 1994
Variable damping device for seismic response controlled structure
KAJIMA CORP59 citations94
US5147018ASep 15, 1992
Cylinder lock device for use in structure
KAJIMA CORP66 citations94
US5065552ANov 19, 1991
Active seismic response control system for use in structure
KAJIMA CORP49 citations91
US5036633AAug 6, 1991
Variable damping and stiffness structure
KAJIMA CORP44 citations91
US5979126ANov 9, 1999
Seismic response control method for structure
KAJIMA CORP20 citations90
US5491938AFeb 20, 1996
High damping structure
KAJIMA CORP37 citations89