RS

Ryuichi Sakai

Sumitomo Electric Industries: 2 patents #687 of 3,885Top 20%
📍 Tokyo, FL: #1 of 2 inventorsTop 50%
Overall (2003): #44,688 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6574415 Digital signal recording apparatus and method thereof Kenjiro Nakamura, Kazuhide Yanase, Katsunori Mochida 2003-06-03
6532587 Electronic equipment Koji Hirose 2003-03-11