YS

Yasutaka Sonobe

KT Kabushiki Kaisha Toshiba: 2 patents #303 of 1,959Top 20%
Overall (2005): #28,629 of 245,428Top 15%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6937453 Directional comparison distance relay system Takahiro Kase, Hidenari Amo 2005-08-30
6873508 Protective relay system Takahiro Kase, Hidenari Amo 2005-03-29