YI

Yosuke Izawa

Sumitomo Electric Industries: 4 patents #65 of 1,892Top 4%
Overall (1994): #3,869 of 165,921Top 3%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5359369 Gradation correcting apparatus for correcting gradation of video signals Naoji Okumura 1994-10-25
5315389 Intensity correction device for providing a correction signal for automatically correcting an intensity of a video signal Naoji Okumura 1994-05-24
5301025 Parabolic waveform generating apparatus Takahisa Hatano 1994-04-05
5296941 Gradation compensation apparatus of video image Naoji Okumura 1994-03-22