RY

Ryoji Yoneyama

SI Seiko Instruments: 1 patents #121 of 259Top 50%
Overall (2002): #123,514 of 266,432Top 50%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6371649 Method for lubricating a fluid dynamic pressure bearing Naoki Kawawada, Tadao Iwaki, Atsushi Ota, Koji Nitadori, Toshiharu Kogure +4 more 2002-04-16