YK

Yoshio Koyanagi

Sumitomo Electric Industries: 2 patents #687 of 3,885Top 20%
Overall (2003): #35,392 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6611504 Mobile wireless device Makoto Kanda 2003-08-26
6590538 Antenna apparatus Genji Hirokawa, Koichi Ogawa, Koichi Ito 2003-07-08