IT

Isamu Tsubono

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #102,004 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4814910 Small sized magnetic recording and reproducing apparatus with improved rotating magnetic head Nobuyuki Kaku, Kenmei Masuda 1989-03-21