Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7209422 | Optical disc recording method and optical disc reproducing method | Takahiro Sato, Takashi Yumiba | 2007-04-24 |
| 7196994 | Information recording medium, information recording apparatus and information reproduction apparatus for the same | Masaru Yamaoka, Takashi Yumiba, Hideshi Ishihara | 2007-03-27 |
| 7164644 | Optical disc, recording apparatus method, and reproduction apparatus and method | Hideshi Ishihara, Takashi Yumiba, Rie Takahashi, Mamoru Shoji, Hiroyuki Yamaguchi +1 more | 2007-01-16 |
| 7136335 | Information recording medium, recording apparatus, and reproduction apparatus | Takashi Yumiba, Masaru Yamaoka | 2006-11-14 |
| 7133349 | Optical disc, recording apparatus and method, and reproduction apparatus and method | Hideshi Ishihara, Takashi Yumiba, Rie Takahashi, Mamoru Shoji, Hiroyuki Yamaguchi +1 more | 2006-11-07 |
| 7092342 | Optical disc, recording apparatus and method, and reproduction apparatus and method | Hideshi Ishihara, Takashi Yumiba, Rie Takahashi, Mamoru Shoji, Hiroyuki Yamaguchi +1 more | 2006-08-15 |
| RE39163 | Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh | 2006-07-11 |
| 6938162 | Optical disk, optical disk recording and reproducing apparatus, method for recording, reproducing and deleting data on optical disk, and information processing system | Hideshi Ishihara, Yuji Takagi, Takashi Yumiba, Mamoru Shoji, Mitsuaki Oshima +6 more | 2005-08-30 |
| RE38706 | Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh | 2005-02-22 |
| 6802074 | Recording apparatus, transmitting apparatus, and computer-readable recording medium | Yoshitaka Mitsui, Hideshi Ishihara | 2004-10-05 |
| RE38611 | Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device | Yuji Takagi, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh | 2004-10-05 |
| 6687860 | Data transfer device and data transfer method | Yukio Iijima, Nobuaki Minakuchi, Makoto Usui, Yasushi Ueda, Makoto Okazaki | 2004-02-03 |
| 6549499 | Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh | 2003-04-15 |
| 6496455 | Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh | 2002-12-17 |
| 6351447 | Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Yoshihisa Fukushima, Shunji Ohara | 2002-02-26 |
| 6314078 | Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh | 2001-11-06 |
| 6301220 | Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh | 2001-10-09 |
| 6175549 | Recording defect substitution method of a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium | Yuji Takagi, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh | 2001-01-16 |
| 6134214 | Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device | Yuji Takagi, Yoshihisa Fukushima, Shunji Ohara, Isao Satoh | 2000-10-17 |
| 5872767 | Optical disk and an optical disk recording/reproduction device having address blocks located on boundary lines between adjoining tracks | Isao Satoh, Yuji Takagi, Yuji Hisakado, Yoshito Aoki, Shunji Ohara +1 more | 1999-02-16 |
| 5862112 | Optical disk and an optical disk recording reproduction device | Isao Satoh, Yuji Takagi, Yuji Hisakado, Yoshito Aoki, Shunji Ohara +1 more | 1999-01-19 |
| 5715221 | Method for managing defects in an information recording medium, and a device and information recording medium using said method | Motoshi Ito, Hiroshi Ueda | 1998-02-03 |