KM

Kenmei Masuda

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #88,300 of 140,708Top 65%
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, Isamu Tsubono 1989-03-21