NN

Naoki Niwa

KA Kajima: 7 patents #10 of 383Top 3%
KK Kayaba Kogyo: 2 patents #11 of 155Top 8%
Kawasaki: 1 patents #1,551 of 2,943Top 55%
Overall (All Time): #763,630 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5979126 Seismic response control method for structure Haruhiko Kurino 1999-11-09
5491938 High damping structure Takuji Kobori, Motoichi Takahashi, Narito Kurata, Takayuki Mizuno, Masatoshi Ishida +1 more 1996-02-20
5347771 High damping device for seismic response controlled structure Takuji Kobori, Koji Ishii, Motoichi Takahashi, Yoshinori Matsunaga, Jun Tagami +2 more 1994-09-20
5311709 Variable damping device for seismic response controlled structure Takuji Kobori, Yoshinori Matsunaga, Takayuki Mizuno, Hironori Sasaki, Ichiro Arimoto +1 more 1994-05-17
5147018 Cylinder lock device for use in structure Takuji Kobori, Koji Ishii, Motoichi Takahashi, Junichi Hirai, Yoshinori Adachi +3 more 1992-09-15
5065552 Active seismic response control system for use in structure Takuji Kobori, Motoichi Takahashi, Tadashi Nasu, Narito Kurata, Junichi Hirai +1 more 1991-11-19
5036633 Variable damping and stiffness structure Takuji Kobori, Motoichi Takahashi, Tadashi Nasu, Narito Kurata, Junichi Hirai +2 more 1991-08-06