JU

Junsei Ueda

AC Alps Electric Co.: 4 patents #470 of 2,177Top 25%
Tdk: 2 patents #1,902 of 3,796Top 55%
Overall (All Time): #865,735 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7940497 Magnetic head device having rear positive pressure surface and rear side positive pressure surface Yasuyuki Kondo, Hirohisa Ishihara 2011-05-10
7499245 Magnetic head slider having stepped surfaces 2009-03-03
7145752 Magnetic head apparatus having magnetic head slider and magnetic disk apparatus equipped with magnetic head apparatus Hirohisa Ishihara, Yasuyuki Kondo, Satoshi Morikawa, Keishi Nakashima 2006-12-05
6975487 Magnetic head having pads provided on the medium-facing surface for minimizing influences of air changes and magnetic recording apparatus provided with the same Yasuyuki Kondo 2005-12-13
6839203 Magnetic head having raised element and magnetic head apparatus using the same Tomoo Otsuka, Hirohisa Ishihara 2005-01-04
6639756 Magnetic head having raised element and magnetic head apparatus using the same Tomoo Otsuka, Hirohisa Ishihara 2003-10-28