KK

Keiichi Katayanagi

SO Sony: 1 patents #385 of 1,361Top 30%
Overall (1997): #120,064 of 185,788Top 65%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5687285 Noise reducing method, noise reducing apparatus and telephone set Masayuki Nishiguchi 1997-11-11