IU

Itsuo Uchiyama

OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
📍 Miyazaki, JP: #267 of 531 inventorsTop 55%
Overall (All Time): #3,541,320 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6373421 Voice recording/reproducing device by using adaptive differential pulse code modulation method Katsuya Maruyama 2002-04-16