TO

Tosho Oka

KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
Overall (All Time): #2,306,941 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5086462 Terminal repeater having a function for repeating DC loop signal — 1992-02-04
4939777 Terminal apparatus having a function for preventing unnecessary line connection — 1990-07-03