HS

Hideaki Sadamatsu

Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
Overall (All Time): #667,844 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5764073 Method of estimating the reliability of module circuits 1998-06-09
5391944 Image-tone control circuit and gradient adjusting circuit therefor 1995-02-21
5307166 Automatic image-tone control circuit and method for controlling brightness of image 1994-04-26
5299008 Video tone correction control circuit 1994-03-29
5262862 Black level compensation circuit for a luminance signal Atsuhisa Kageyama 1993-11-16
5237195 Semiconductor integrated circuit arrangement for preventing latch up 1993-08-17
5223927 Image signal average picture level detecting apparatus Atsuhisa Kageyama 1993-06-29
4536950 Method for making semiconductor device Michihiro Inoue, Akihiro Kanda, Akira Matsuzawa 1985-08-27