Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10170081 | Image correction device and video content reproduction device | Kazutoshi Funahashi, Shotaro Itakura | 2019-01-01 |
| 9386291 | Video signal processing device | Shinichi Tomioka, Hiroshi Taniuchi, Shirou Yoshioka | 2016-07-05 |
| 8830398 | Resolution determination device, image processor, and image display device | Koichi Inoue, Shinichi Tomioka | 2014-09-09 |
| 7259599 | Semiconductor device | Hisao Kunitani, Satoru Tanigawa, Hiroshi Sonobe | 2007-08-21 |
| 7209182 | False contour correcting apparatus and method | Minoru Kawabata, Masahiro Takeshima | 2007-04-24 |
| 7113227 | Gradation correcting apparatus gradation correcting method and video display apparatus | Yuki Kakuya, Katsuya Ishikawa, Hidetoshi Suzuki | 2006-09-26 |
| 7046298 | Data signal extraction apparatus | Keiichi Kuzumoto, Toshihiro Matsumura, Akihiro Suzuki | 2006-05-16 |
| 7034896 | Gradation correction apparatus | Keiichi Ito | 2006-04-25 |
| 6967692 | Apparatus for processing luminance signal | Yuki Kakuya, Nobutaka Okada, Keiichi Ito | 2005-11-22 |
| 6903781 | Video signal processing apparatus | Satoru Tanigawa, Ryuichi Shibutani | 2005-06-07 |
| RE38413 | Pure red color detection circuit and color compensation circuit using the same | Hiroko Sugimoto, Masahiro Takeshima, Minoru Kawabata | 2004-02-03 |
| 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 |
| 6492921 | Device for clamping multiple signals | Hisao Kunitani | 2002-12-10 |
| 6373533 | Image quality correction circuit for video signals | Minoru Kawabata, Masahiro Takeshima, Hiroko Sugimoto | 2002-04-16 |
| 6295095 | Video signal character converting device and method of the same | Minoru Kawabata | 2001-09-25 |
| 6252983 | Histogram generator | Masahiro Takeshima, Minoru Kawabata, Hiroko Sugimoto | 2001-06-26 |
| 6215529 | Gamma compensation apparatus | Hiroko Sugimoto, Masahiro Takeshima, Minoru Kawabata | 2001-04-10 |
| 6064447 | Pure red color detection circuit and color compensation circuit using the same | Hiroko Sugimoto, Masahiro Takeshima, Minoru Kawabata | 2000-05-16 |
| 6038341 | Histogram operating unit for video signals | Masahiro Takeshima, Minoru Kawabata, Hiroko Sugimoto | 2000-03-14 |
| 5969771 | 2-line YC separation device | Hiroko Sugimoto | 1999-10-19 |