YI

Yoshiyuki Ishizawa

KT Kabushiki Kaisha Toshiba: 26 patents #1,029 of 21,451Top 5%
TO Toshiba: 2 patents #606 of 2,688Top 25%
Overall (All Time): #139,913 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5535186 Disc recording/reproducing system 1996-07-09
4353060 Analog to digital converter system with an output stabilizing circuit Kenjiro Endoh, Masanori Tanaka, Koji Iwasaki 1982-10-05
4270177 Digital amplitude control for digital audio signal Kenjiro Endoh, Masanori Tanaka, Koji Iwasaki 1981-05-26