Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7113227 | Gradation correcting apparatus gradation correcting method and video display apparatus | Atsuhisa Kageyama, Katsuya Ishikawa, Hidetoshi Suzuki | 2006-09-26 |
| 6967692 | Apparatus for processing luminance signal | Atsuhisa Kageyama, Nobutaka Okada, Keiichi Ito | 2005-11-22 |
| 6633343 | Dynamic gamma correction apparatus | Keiichi Ito, Atsuhisa Kageyama, Nobutaka Okada, Katsuya Ishikawa, Hidetoshi Suzuki +1 more | 2003-10-14 |