SI

Seigi Ito

Sumitomo Electric Industries: 1 patents #1,404 of 3,885Top 40%
📍 Yamaga, JP: #1 of 2 inventorsTop 50%
Overall (2003): #122,488 of 273,478Top 45%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6556533 Optical pickup device Masaharu Fukakusa, Taiichi Mori, Hiroshi Tanigawa, Haruhiko Kono, Mikio Tomisaki +1 more 2003-04-29