AK

Atsuhisa Kageyama

Sumitomo Electric Industries: 6 patents #85 of 3,885Top 3%
Overall (2003): #6,968 of 273,478Top 3%
6
Patents 2003

Issued Patents 2003

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6661469 False contour correcting apparatus and method Minoru Kawabata, Masahiro Takeshima 2003-12-09
6636229 Gradation correction circuit, and &ggr; correction apparatus Katsuya Ishikawa, Keiichi Ito 2003-10-21
6633343 Dynamic gamma correction apparatus Keiichi Ito, Nobutaka Okada, Katsuya Ishikawa, Hidetoshi Suzuki, Hisao Kunitani +1 more 2003-10-14
6597407 Contour correction circuit and contour correction method Nobuo Taketani 2003-07-22
6580464 Color difference signal correction apparatus Hisao Kunitani, Katsuya Ishikawa 2003-06-17
6545725 Apparatus for identifying standard and non-standard video signals Nobuko Fujita 2003-04-08