YI

Yukiharu Ito

Sumitomo Electric Industries: 2 patents #687 of 3,885Top 20%
Overall (2003): #34,813 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6646624 AC plasma display device Tadayuki Masumori, Koichi Itsuda 2003-11-11
6603447 Method of driving AC plasma display panel Shigeyuki Okumura 2003-08-05