KO

Koki Otsuka

KT Kabushiki Kaisha Toshiba: 1 patents #480 of 1,730Top 30%
Overall (1997): #116,706 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5636323 Speech communication apparatus having an echo canceler Yuji Umemoto 1997-06-03