RY

Ryuichi Yamaguchi

Sumitomo Electric Industries: 2 patents #687 of 3,885Top 20%
Overall (2003): #44,664 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6516454 Method of estimating time delay Masaaki Hirata 2003-02-04
6507936 Timing verifying method 2003-01-14