KO

Koji Oka

Sumitomo Electric Industries: 3 patents #267 of 3,352Top 8%
Overall (2002): #25,796 of 266,432Top 10%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6498528 Reference voltage generation circuit Yoshitsugu Inagaki 2002-12-24
6492849 Supply voltage detection circuit Heiji Ikoma, Yoshitsugu Inagaki 2002-12-10
6407571 Voltage detecting circuit for a power system Shigeki Furuya 2002-06-18