TR

Takashi Ryu

Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #104,943 of 270,089Top 40%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6831448 DC-to-DC converter Takuya Ishii, Hiroshi Saito, Hironori Kamiya 2004-12-14