Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7336708 | High-efficiency encoder and video information recording/reproducing apparatus | Tomohiro Ueda, Takashi Itow, Ken Onishi, Hidetoshi Mishima | 2008-02-26 |
| 7212728 | Disk media, and method of and device for recording and playing back information on or from a disk media | Kouichi Shirakawa, Tadashi Kasezawa, Masato Nagasawa, Yoshihiro Kiyose, Hiroyuki Ohata +1 more | 2007-05-01 |
| 6870884 | High-efficiency encoder and video information recording/reproducing apparatus | Tomohiro Ueda, Takashi Itow, Ken Onishi, Hidetoshi Mishima | 2005-03-22 |
| 6853354 | Multi display projector | — | 2005-02-08 |
| 6549717 | Digital video signal record and playback device and method for giving priority to a center of an I frame | Hidetoshi Mishima, Yoshiko Hatano, Shuji Sotoda, Satoshi Kurahashi, Takahiro Nakai +4 more | 2003-04-15 |
| 6539164 | Disk media, and method of and device for playing back information on or from a disk media | Kouichi Shirakawa, Tadashi Kasezawa, Masato Nagasawa, Yoshihiro Kiyose, Hiroyuki Ohata +1 more | 2003-03-25 |
| 6134382 | Digital video signal record and playback device and method for giving priority to a center of an I frame | Hidetoshi Mishima, Yoshiko Hatano, Shuji Sotoda, Satoshi Kurahashi, Takahiro Nakai +4 more | 2000-10-17 |
| 6009236 | Digital video signal record and playback device and method for giving priority to a center of an I frame | Hidetoshi Mishima, Yoshiko Hatano, Shuji Sotoda, Satoshi Kurahashi, Takahiro Nakai +4 more | 1999-12-28 |
| 5909252 | High efficiency encoder and video information recording/reproducing apparatus | Tomohiro Ueda, Takashi Itow, Ken Onishi, Hidetoshi Mishima | 1999-06-01 |
| 5845041 | Video signal recording and reproducing apparatus with high efficiency encoding | Ikuo Ohkuma, Sadayuki Inoue, Tohru Inoue, Kimitoshi Hongo | 1998-12-01 |
| 5841474 | High-efficiency encoder and video information recording/reproducing apparatus | Tomohiro Ueda, Takashi Itow, Ken Onishi, Hidetoshi Mishima | 1998-11-24 |
| 5825419 | Coding device and decoding device of digital image signal | Hidetoshi Mishima, Yoshiko Hatano | 1998-10-20 |
| 5818529 | Variable length coding of video with controlled deletion of codewords | Takashi Itow, Tomohiro Ueda, Kenji Tsunashima, Satoshi Kurahashi | 1998-10-06 |
| 5583573 | Video encoder and encoding method using intercomparisons of pixel values in selection of appropriation quantization values to yield an amount of encoded data substantialy equal to nominal amount | Takashi Itow, Tomohiro Ueda, Kenji Tsunashima, Satoshi Kurahashi | 1996-12-10 |
| 5543845 | High efficiency encoding apparatus | Yoshiko Hatano, Ken Onishi, Takashi Shiroshita | 1996-08-06 |
| 5488482 | High-efficiency encoder and video information recording/reproducing apparatus | Tomohiro Ueda, Takashi Iotow, Ken Onishi, Hidetoshi Mishima | 1996-01-30 |
| 5485533 | Method and apparatus for encoding video signals in 3-D blocks without detecting image motion | Yoshiko Hatano, Ken Onishi, Takashi Itou, Manabu Tsukamoto | 1996-01-16 |
| 5479264 | High-efficiency encoder and video information recording/reproducing apparatus | Tomohiro Ueda, Takashi Itow, Ken Onishi, Hidetoshi Mishima | 1995-12-26 |
| 5442399 | Method and apparatus for coding a digital video signal by formatting the signal into blocks | Yoshiko Hatano, Ken Onishi | 1995-08-15 |
| 5440344 | Video encoder using adjacent pixel difference for quantizer control | Takashi Itow, Tomohiro Ueda, Kenji Tsunashima, Satoshi Kurahashi | 1995-08-08 |
| 5307163 | Coding apparatus | Yoshiko Hatano, Ken Onishi | 1994-04-26 |