AY

Akihiko Yoshizawa

KT Kabushiki Kaisha Toshiba: 15 patents #1,982 of 21,451Top 10%
OC Olympus Optical Co.: 10 patents #326 of 2,334Top 15%
Overall (All Time): #156,357 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
4788678 Optical information recording media substrate — 1988-11-29