AS

Akihira Sakai

Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Overall (All Time): #1,252,534 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7428008 Video imaging device, video conversion device, and video edition device Ichiro Okamoto 2008-09-23
6983098 Magnetic medium recording and reproducing apparatus 2006-01-03
6788486 Tape cassette with memory device including memory and antenna for wireless communication with another antenna in audio/image recording and reproducing system 2004-09-07
6694088 Progressive scan video production system and magnetic recording/reproducing apparatus 2004-02-17