YK

Yu Koiwa

Nsk: 2 patents #30 of 201Top 15%
Overall (2004): #33,124 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6742934 Rolling bearing and spindle apparatus for machine tool Naoki Matsuyama, Sumio Sugita, Takaaki Anzai, Tamotsu Misawa, Masaru Terasaki 2004-06-01
6733181 Bearing unit Naoki Matsuyama, Tamotsu Misawa 2004-05-11