SK

Susumu Kirii

Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #108,561 of 270,089Top 45%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6748173 Optical transmission system and optical transmission apparatus used therefor Yoshikazu Ishii, Hideto Takahashi, Kuniharu Itakura, Shinshi Kuno 2004-06-08