HI

Hirohisa Ishihara

AC Alps Electric Co.: 3 patents #18 of 324Top 6%
Overall (2003): #29,782 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6657819 Magnetic head having protrusion on medium opposing surface and magnetic recording apparatus 2003-12-02
6639756 Magnetic head having raised element and magnetic head apparatus using the same Junsei Ueda, Tomoo Otsuka 2003-10-28
6591478 Method of producing magnetic head Takao Soma, Tadashi Otagiri, Soichiro Matsuzawa 2003-07-15