KO

Kazuhiro Onizuka

Sumitomo Electric Industries: 1 patents #603 of 2,038Top 30%
Overall (1997): #122,119 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5677987 Feedback detector and suppressor Nobuyuki Seki, Akihisa Kawamura 1997-10-14