KO

Katsunori Otsuka

JT Jtekt: 4 patents #427 of 1,969Top 25%
📍 Kashiwara, JP: #60 of 221 inventorsTop 30%
Overall (All Time): #1,227,059 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8459875 Bearing apparatus 2013-06-11
8303188 Bearing apparatus 2012-11-06
8136995 Sealing device and rolling bearing apparatus Takeshi Yamamoto 2012-03-20
8113717 Rolling bearing 2012-02-14