YN

Youichi Numada

KC Koyo Seiko Co.: 3 patents #150 of 749Top 25%
JT Jtekt: 2 patents #749 of 1,969Top 40%
Overall (All Time): #1,015,694 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8585296 Rolling bearing sealing device Kunihiro Yamaguchi, Ikuo Ito 2013-11-19
8308370 Sealing device for bearing Yoshitaka Nakagawa, Hajime Tadumi, Tsuyoshi Okumura, Kunihiro Yamaguchi, Ikuo Ito 2012-11-13
7093981 Self-aligning bearing Takashi Masui, Toshikazu Kawakami, Keiichi Miyoshi 2006-08-22
7025185 Torque releasing device Akihide Nagayama 2006-04-11
6957688 Roll apparatus of continuous caster and cylindrical roller bearing for supporting roll of continuous caster Takashi Masui, Toshikazu Kawakami, Keiichi Miyoshi 2005-10-25