SO

Shigeki Okai

Nissan Motor Co.: 4 patents #1,803 of 8,689Top 25%
Bridgestone: 2 patents #1,066 of 2,860Top 40%
TI Tokai Rubber Industries: 2 patents #181 of 557Top 35%
Overall (All Time): #1,255,305 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7232118 Fluid filled vibration damping device Hajime Maeno, Atsushi Muramatsu, Nobuhiro Yasumuro, Naoki Kaneda 2007-06-19
7140603 Vibration damping device having stopper structure Hajime Maeno, Atsushi Muramatsu, Nobuhiro Yasumuro, Naoki Kaneda 2006-11-28
6669181 Vibration isolating apparatus Katsumi Someya 2003-12-30
6361029 Vibration damper Kazutaka Ohtsu 2002-03-26