YI

Yasushi Igarashi

OC Oki Electric Industry Co.: 3 patents #10 of 346Top 3%
📍 Ibaraki, JP: #40 of 785 inventorsTop 6%
Overall (2003): #19,128 of 273,478Top 7%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6623985 Structure of and manufacturing method for semiconductor device employing ferroelectric substance 2003-09-23
6600185 Ferroelectric capacitor with dielectric lining, semiconductor memory device employing same, and fabrication methods thereof Kouichi Tani 2003-07-29
6573587 Metal oxide capacitor with hydrogen diffusion blocking covering 2003-06-03