EI

Eiji Ishikawa

AC Ando Electric Co.: 2 patents #3 of 57Top 6%
DE Denso: 1 patents #389 of 1,225Top 35%
Overall (2004): #29,749 of 270,089Top 15%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6797588 Method for manufacturing a semiconductor device having a trench and a thick insulation film at the trench opening Takaaki Aoki, Kenji Kondo 2004-09-28
6765707 Variable slit width device for spectroscope Hiroshi Ando 2004-07-20
6750965 Mirror supporting structure for monochromator Hiroshi Ando 2004-06-15