HK

Hajime Kiyokawa

SI Seiko Instruments: 1 patents #121 of 259Top 50%
Overall (2002): #210,548 of 266,432Top 80%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6447167 Hydrodynamic bearing, hydrodynamic bearing apparatus Tsuyoshi Kashiwada, Katsushige Konno, Kaoru Kaneko, Tadashi Kiyokawa 2002-09-10