TU

Toshimitsu Umezawa

KT Kabushiki Kaisha Toshiba: 7 patents #4,294 of 21,451Top 25%
📍 Kazo, JP: #24 of 138 inventorsTop 20%
Overall (All Time): #768,181 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5036387 Color television receiver 1991-07-30
4980737 Luminance signal and chrominance signal separating circuit 1990-12-25
4811100 Picture-quality correction circuit 1989-03-07
4748510 Drive circuit for liquid crystal display device 1988-05-31
4679065 Automatic white control circuit for color television receiver 1987-07-07
4658295 Vertical contour correction device 1987-04-14
4654709 Vertical contour correction device 1987-03-31