HH

Hiroyuki Hasegawa

Sumitomo Electric Industries: 1 patents #1,404 of 3,885Top 40%
Overall (2003): #213,001 of 273,478Top 80%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6590741 Magnetic head having grooves to enhance contact with magnetic recording media and magnetic recording/reproducing apparatus Kenji Hasegawa, Eisuke Sawai, Ken Takahashi, Hiromi Takeda 2003-07-08