TT

Takeshi Tokunaga

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #52,157 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4825315 Magnetic disc driving device Etsurou Hirose, Toshio Tsubaki, Osamu Isoo 1989-04-25