TR

Toshihiro Rokujo

SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #3,896,570 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4903255 Optical recording disc Syoji Sugaya, Hisayoshi Asahino 1990-02-20