RO

Ryutarou Oka

NT Ntn: 1 patents #76 of 192Top 40%
Overall (2011): #175,974 of 364,097Top 50%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7988366 Retainer for rolling bearing and rolling bearing Masayuki Hanano, Tsutomu Mizutani 2011-08-02