RN

Ryouichi Nakajima

NT Ntn: 2 patents #32 of 192Top 20%
📍 Shimabara, JP: #15 of 53 inventorsTop 30%
Overall (2011): #69,801 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8002471 Fluid dynamic bearing apparatus and a motor using the same Fuminori Satoji, Isao Komori, Kazuo Okamura, Masafumi Okuma, Kenichi Mitani 2011-08-23
7938583 Rolling bearing Hideaki Tanaka 2011-05-10