HY

Hiroshi Youda

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,305,491 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4700252 Magnetic thin film head Hiroaki Muraoka, Seishi Sasaki, Ken Takahashi 1987-10-13
4663683 Magnetoresistive thin film head Nobuyuki Kaminaka, Satoru Mitani 1987-05-05
4654739 Thin film magnetic head for reproducing perpendicular magnetization Ken Takahashi, Seishi Sasaki, Kenji Kanai 1987-03-31
4425701 Methods of making magnetic recording heads Ken Takahashi 1984-01-17