TH

Takashige Hiratsuka

Sumitomo Electric Industries: 1 patents #1,470 of 4,178Top 40%
Overall (2004): #106,945 of 270,089Top 40%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6741533 Tracking error detection device Shoji Marukawa, Toshinori Okamoto 2004-05-25