HK

Hiroaki Koyanagi

HI Hitachi: 1 patents #1,533 of 3,950Top 40%
Overall (2002): #206,207 of 266,432Top 80%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
RE37785 Recording/reproducing separation type magnetic head Yukio Sasada, Tadashi Imanaka, Fumiomi Ueda 2002-07-09